EP3304582A1 - Thermokompressionsvorrichtung mit einem federelement mit variabel einstellbarer vorspannung und verfahren zum verbinden von elektrischen bauteilen mit einem substrat unter verwendung der thermokompressionsvorrichtung - Google Patents
Thermokompressionsvorrichtung mit einem federelement mit variabel einstellbarer vorspannung und verfahren zum verbinden von elektrischen bauteilen mit einem substrat unter verwendung der thermokompressionsvorrichtungInfo
- Publication number
- EP3304582A1 EP3304582A1 EP16721787.6A EP16721787A EP3304582A1 EP 3304582 A1 EP3304582 A1 EP 3304582A1 EP 16721787 A EP16721787 A EP 16721787A EP 3304582 A1 EP3304582 A1 EP 3304582A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- substrate
- electrical component
- support surface
- spring
- spring element
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W72/00—Interconnections or connectors in packages
- H10W72/01—Manufacture or treatment
- H10W72/0198—Manufacture or treatment batch processes
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W72/00—Interconnections or connectors in packages
- H10W72/071—Connecting or disconnecting
- H10W72/0711—Apparatus therefor
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W72/00—Interconnections or connectors in packages
- H10W72/071—Connecting or disconnecting
- H10W72/0711—Apparatus therefor
- H10W72/07141—Means for applying energy, e.g. ovens or lasers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W72/00—Interconnections or connectors in packages
- H10W72/071—Connecting or disconnecting
- H10W72/0711—Apparatus therefor
- H10W72/07173—Means for moving chips, wafers or other parts, e.g. conveyor belts
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W72/00—Interconnections or connectors in packages
- H10W72/071—Connecting or disconnecting
- H10W72/0711—Apparatus therefor
- H10W72/07178—Means for aligning
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W72/00—Interconnections or connectors in packages
- H10W72/071—Connecting or disconnecting
- H10W72/0711—Apparatus therefor
- H10W72/07188—Apparatus chuck
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W72/00—Interconnections or connectors in packages
- H10W72/071—Connecting or disconnecting
- H10W72/072—Connecting or disconnecting of bump connectors
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W72/00—Interconnections or connectors in packages
- H10W72/071—Connecting or disconnecting
- H10W72/073—Connecting or disconnecting of die-attach connectors
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W72/00—Interconnections or connectors in packages
- H10W72/071—Connecting or disconnecting
- H10W72/073—Connecting or disconnecting of die-attach connectors
- H10W72/07331—Connecting techniques
- H10W72/07332—Compression bonding, e.g. thermocompression bonding
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W72/00—Interconnections or connectors in packages
- H10W72/071—Connecting or disconnecting
- H10W72/073—Connecting or disconnecting of die-attach connectors
- H10W72/07331—Connecting techniques
- H10W72/07337—Connecting techniques using a polymer adhesive, e.g. an adhesive based on silicone or epoxy
- H10W72/07338—Connecting techniques using a polymer adhesive, e.g. an adhesive based on silicone or epoxy hardening the adhesive by curing, e.g. thermosetting
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W72/00—Interconnections or connectors in packages
- H10W72/071—Connecting or disconnecting
- H10W72/074—Connecting or disconnecting of anisotropic conductive adhesives
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W72/00—Interconnections or connectors in packages
- H10W72/20—Bump connectors, e.g. solder bumps or copper pillars; Dummy bumps; Thermal bumps
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W72/00—Interconnections or connectors in packages
- H10W72/20—Bump connectors, e.g. solder bumps or copper pillars; Dummy bumps; Thermal bumps
- H10W72/241—Dispositions, e.g. layouts
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W72/00—Interconnections or connectors in packages
- H10W72/20—Bump connectors, e.g. solder bumps or copper pillars; Dummy bumps; Thermal bumps
- H10W72/261—Functions other than electrical connecting
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W72/00—Interconnections or connectors in packages
- H10W72/30—Die-attach connectors
- H10W72/321—Structures or relative sizes of die-attach connectors
- H10W72/325—Die-attach connectors having a filler embedded in a matrix
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W72/00—Interconnections or connectors in packages
- H10W72/30—Die-attach connectors
- H10W72/351—Materials of die-attach connectors
- H10W72/353—Materials of die-attach connectors not comprising solid metals or solid metalloids, e.g. ceramics
- H10W72/354—Materials of die-attach connectors not comprising solid metals or solid metalloids, e.g. ceramics comprising polymers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W90/00—Package configurations
- H10W90/701—Package configurations characterised by the relative positions of pads or connectors relative to package parts
- H10W90/721—Package configurations characterised by the relative positions of pads or connectors relative to package parts of bump connectors
- H10W90/724—Package configurations characterised by the relative positions of pads or connectors relative to package parts of bump connectors between a chip and a stacked insulating package substrate, interposer or RDL
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W90/00—Package configurations
- H10W90/701—Package configurations characterised by the relative positions of pads or connectors relative to package parts
- H10W90/731—Package configurations characterised by the relative positions of pads or connectors relative to package parts of die-attach connectors
- H10W90/734—Package configurations characterised by the relative positions of pads or connectors relative to package parts of die-attach connectors between a chip and a stacked insulating package substrate, interposer or RDL
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W99/00—Subject matter not provided for in other groups of this subclass
Definitions
- THERMOCOMPRESSION DEVICE COMPRISING A SPRING ELEMENT WITH A VARIABLE ADJUSTABLE PRESENCE AND METHOD FOR CONNECTING ELECTRICAL COMPONENTS TO A SUBSTRATE USING THE THERMOCOMPRESSION DEVICE
- thermocompression device and a method for connecting electrical components to a substrate are described.
- a pressing element is described which presses an electrical component against the substrate for the duration of a curing process.
- thermocompression methods are used to mechanically and electrically conductively connect electrical components to a substrate. Such methods are used in particular to connect semiconductor chips in flip-chip design to a substrate.
- Thermo-compression describes a bonding process in which components are connected by a temporary application of force and heat.
- Thermo-compression devices for connecting electrical components to a substrate are known in the prior art.
- TMA Tag Module Assembly
- DE 10 2012 012 879 B3 discloses a device in which the components to be processed rest on a heated support surface and are pressed against them by means of a pressure belt. On the pressure belt while a force is exerted by means of a magnet.
- heat stamping units For introducing a force and heat input to the components to be connected, the use of heat stamping units is also known.
- EP 2 506 295 A2 and JPH-0 3225842 (A) disclose devices in which a substrate and a plurality of semiconductor chips arranged thereon rest on a holding plate and are connected by means of a heating stamp unit. On the one hand, a force is exerted on the components to be connected by the heating stamp unit, so that they are pressed against the retaining plate.
- heat is supplied by a heat source included in the heating die in order to cure an adhesive applied between the substrate and the semiconductor chips.
- thermoset layer For the production of electronic assemblies with a thermoset layer by US 2009/0291524 AI and WO 2010/095311 AI further thermocompression onsvorraumen with Schustkov units disclosed.
- the assemblies to be produced consist of a substrate with semiconductor chips arranged thereon, over which the thermoset layer extends.
- the heat stamp unit causes the components of the electronic assembly to be exposed to a force and heat, so that the substrate and the semiconductor chips are interconnected by the thermoset layer disposed thereon.
- WO 00/41219 Al discloses a device for connecting to a sub ⁇ strat components arranged with the substrate, the apparatus comprising a Aufsetzstation for placing a plurality of electronic components on the substrate and one of them separated Nachpressstation for connecting the components to the substrate ,
- the repressing station comprises an upper tool with a plurality of plungers, which are displaceably mounted in the direction of a support surface for the substrate, and which are provided as thermodes.
- the plungers are adapted to exert a contact pressure on one component.
- the apparatus further comprises a liquid chamber for hydrostatic distribution of a loading force on the individual plungers.
- the liquid chamber extends along the plunger backs and is sealed to the plungers by means of a flexible membrane.
- the plungers are pressed against the diaphragm under the bias of springs, so that the plungers are biased in the direction of a starting position.
- thermocompression device for the electrically conductive connection of electronic components arranged on one another.
- the device comprises a leaf spring which exerts a contact pressure on the components arranged on a support surface by means of a contact pressure means.
- the leaf spring is at its respective end portions with the contact pressure in contact.
- thermocompression device and a method for connecting electrical components to a substrate according to the independent claims are proposed.
- the thermocompression device for connecting electrical components to a substrate comprises a lower tool and an upper tool, which are movable toward and away from each other.
- the lower tool is provided with a first heat source and a support surface for placing the substrate with at least one electrical component disposed thereon.
- the upper tool comprises a contact pressure element with at least one spring element.
- the at least one spring element is configured to be elastically deformed during a relative movement between the upper tool and the lower tool and thereby exert a force on a substrate located between the contact pressure element and the contact surface with at least one electrical component disposed thereon, about the at least one electrical component Press component for the duration of a curing process against the substrate to be arranged on the support surface.
- the first heat source is adapted to the substrate to be arranged between the support surface and the pressure element with the at least one electrical - -
- the described device comprises a less complex structure, which requires considerably fewer components than known devices. Accordingly, the present device can be made much cheaper. This less complex structure further allows the proposed device to be easily adapted to different components to be processed and thus the processing of different components and the production of different modules are easily feasible.
- the present disclosure relates to an apparatus and method for connecting electrical components to a substrate.
- the electrical components can be provided in the form of semiconductor chips, RFID chips, Hi-Q LEDs, etc. Further, the electrical components may be formed flat and have on one side, which is to be arranged on the substrate, electrical contacts.
- the electrical contacts may, for example, be provided as contact surfaces, in particular in the form of "bumps", and be arranged to be electrically conductively connected to contacts arranged on the substrate.
- the contacts located on the substrate may be formed as a metal layer.
- the substrate may contain one or more of the following materials: paper, polyvinyl chloride (PVC), polyethylene (PE), polyethylene terephthalate (PET) or glycol-modified polyethylene terephthalate (PETG), polyethylene naphthalate (PEN), acrylonitrile-butadiene-styrene copolymer ( ABS), polyvinyl butyral (PVB), polymethyl methacrylate (PMMA), polyimide (PI), polyvinyl alcohol (PVA), polystyrene (PS), polyvinylphenol (PVP), polypropylene (PP), polycarbonate (PC) or derivatives thereof.
- PVC polyvinyl chloride
- PE polyethylene
- PET polyethylene terephthalate
- PET glycol-modified polyethylene terephthalate
- PEN polyethylene naphthalate
- ABS acrylonitrile-butadiene-styrene copolymer
- PVB polyvinyl butyral
- PMMA polymethyl me
- a connecting means is applied between the electrical components and the substrate.
- the connecting means is preferably provided as a thermally curable adhesive, in particular as a liquid adhesive.
- the adhesive may be electrically conductive and configured to mechanically and electrically conductively connect the electrical components and the substrate.
- a separating layer can be arranged above the substrate with the electrical components arranged thereon. This can prevent the at least one spring element from coming into contact with the connection means during the curing process.
- the lower tool of the provided device comprises the support surface and the first heat source.
- the support surface is formed as a plane plane.
- the support surface may be provided with a curved surface.
- the first heat source may be configured to permanently heat the support surface of the lower tool.
- the first heat source may be formed as a heating rail.
- the upper tool and the lower tool are movable toward one another and away from one another.
- the upper tool and the lower tool can continue to be movable relative to each other in a longitudinal direction of the device.
- the device may for this purpose comprise a drive unit which is adapted to move the upper tool and / or the lower tool in a vertical direction relative to each other.
- the device may further comprise a further drive unit for moving the upper train and / or the lower tool in a horizontal direction relative to one another.
- the upper tool may comprise a second heat source, which is adapted to continue to supply heat to be arranged between the support surface and the on ⁇ press element substrate with the at least one electrical component to the between the substrate and the at least one electrical component To harden applied bonding agent.
- a respective heat source in the lower tool and the upper tool allows a uniform supply of heat to the connecting means applied between the substrate and the electrical component. In particular, this can ensure a leveled temperature profile along the components to be processed. As a result, higher quality results can be achieved.
- the second heat source may be provided as a heat radiator.
- the heat radiator can be arranged above the contact pressure element and have a defined distance from it. Furthermore, the distance between the heat ⁇ radiator and the contact pressure in the operation of the device essentially so - -
- the second heat source may be adapted to supply heat to the pressing member by means of heat conduction, i. touching.
- the second heat source in the form of a heating resistor, e.g. as a heating wire, etc., formed and arranged in or on the contact pressure element.
- the provided device has at least one spring element, which is included in the contact pressure element.
- the at least one spring element can be configured to exert a force on one or more electrical components arranged on the substrate.
- the at least one spring element can be configured to exert a force on one or more electrical components arranged on the substrate.
- Pressing element on a plurality of spring elements which are each associated with an arranged on the substrate electrical component.
- the plurality of spring elements may be configured to exert a respective force on the electrical component associated with the respective spring element.
- the upper tool can have a clamping unit for clamping the at least one spring element.
- the clamping unit may further be adapted to bias the spring element, wherein the bias voltage can be variably adjusted.
- the at least one spring element is preferably designed as a leaf spring, in particular as a strip-shaped leaf spring.
- the leaf spring may be formed flat and have an upper and a lower side surface, wherein the lower side surface opposite to the support surface of the lower tool may be arranged.
- the leaf spring may comprise a metallic material.
- the leaf spring may be provided in the form of a stainless steel sheet.
- the thickness of the leaf spring may be 1 mm and smaller.
- the leaf spring an adhesive protective layer to prevent adhesion of the components to be processed by the device to the leaf spring.
- the leaf spring may be thermally conductive and configured to supply heat introduced by the second heat source to between the substrate and the substrate
- the pressing element may have a plurality of leaf springs.
- the plurality of leaf springs may be connected to each other, wherein the leaf springs are preferably interconnected at a first end.
- the pressing element provided from a plurality of leaf springs is preferably formed in one piece and provided in the form of a spring comb. As a result, a simple replacement of the pressing element can be ensured, whereby the device for processing different modules can be easily converted.
- the plurality of leaf springs of the pressing element can be arranged substantially parallel to one another. Furthermore, the width of the plurality of leaf springs and / or the distances therebetween may be the same or different.
- the contact pressure element can be provided with recesses extending transversely to the longitudinal direction, which represent the defined distances between the leaf springs.
- the clamping unit can be set up to bias the at least one leaf spring so that the leaf spring has a curvature extending in the direction of the bearing surface.
- the curvature of the leaf spring may extend in an opposite direction.
- a non-metallic, metallic, textile or plastic strip may be arranged as a separating strip between the substrate and the components and the spring element in order to prevent the spring element from becoming soiled - -
- This separation tape can be moved with the upper tool, then it is z. B. attached to the upper tool. But it can also be arranged stationary, z. B. on the upper tool.
- the clamping unit may comprise a first and a second bearing, wherein the first bearing is adapted to fix the at least one leaf spring at the first end. Furthermore, the at least one leaf spring may rest against the second bearing at a second end opposite the first end.
- the first bearing may be pivotally mounted about a pivot axis and fixed relative thereto in a plurality of positions. Thereby, the bias of the at least one leaf spring can be variably adjusted.
- a method for connecting electrical components to a substrate of the initially specified type comprises placing the substrate with at least one electrical component arranged thereon on a support surface of a lower tool, wherein a connecting means is applied between the substrate and the at least one electrical component. Furthermore, a successive Zubeggi the lower tool and an upper tool.
- the upper tool comprises a contact pressure element with at least one spring element. The relative movement of the lower tool and the upper tool elastically deforms the at least one spring element, whereby a force is applied to the substrate arranged between the bearing surface and the contact pressure element with the at least one electrical component. This force causes the at least one electrical component to be pressed against the substrate arranged on the support surface.
- the method comprises a step of supplying heat to the substrate arranged between the support surface and the pressing element with the at least one electrical component. As a result, hardening of the bonding agent applied between the substrate and the at least one electrical component takes place.
- the method may further comprise the following steps:
- connection means is arranged between the at least one electrical component and the substrate
- the method may include a step of adjusting the force to be applied to the electrical component.
- the force can be adjusted depending on the bias and dimensioning of the at least one Federeiements.
- the force can be adjusted depending on the relative movement between the upper tool and the lower tool. This can be done by the
- Relative movement induced elastic deformation of the at least one spring element can be varied.
- FIG. 1 shows a side view of a first embodiment of a device for connecting electrical components to a substrate.
- FIG. 2 shows a front view of a second embodiment of the device.
- FIG. 3 shows a perspective view of the second embodiment of the invention
- FIG. 4 shows a perspective view of the second embodiment of FIG.
- FIG. 5 shows a plan view of an embodiment of a contact pressure element.
- FIG. 6 shows a perspective view of a further embodiment of the invention
- the thermocompression device 10 comprises a lower tool 12 with a first heat source and a support surface 14.
- the first heat source may be provided in the form of one or more heating rails, which are electrically operated.
- the support surface 14 is formed as a flat surface on which a substrate 16 abuts.
- electrically conductive contact surfaces 18 are provided.
- a connecting means 20 was applied to the substrate 16.
- the connecting means 20 is liquid and thermally cured.
- an electrical component 22, in this case a semiconductor chip with a flip-chip design was applied to the substrate 16 and the liquid connection means 20.
- the electrical component 22 has electrically conductive contacts 24, which are in contact with the electrically conductive contact surfaces 18 of the substrate 16.
- the contacts 24 may for example have the form of metallic contact feet or so-called "bumps".
- the thermocompression device 10 further comprises an upper tool 26 with a second heat source 28 and a pressing member 30.
- the second heat source 28 is formed as a heat radiator, which is arranged above the pressing member 30.
- the upper tool 26 is configured to be moved up and down in the vertical direction, so that the upper tool 26 is movable relative to the lower tool 12.
- the lower tool 12 is movable relative to the upper tool 26 in the vertical direction.
- the lower tool 12 may further be movable relative to the upper tool 26 in the horizontal direction.
- the pressing member 30 comprises a spring element, which is formed in the form of a strip-shaped leaf spring 32 having a bottom and a top.
- the pressing element 30 may comprise a plurality of leaf springs 32, which are each associated with an electrical component 22.
- the leaf spring 32 has an arcuate shape and is curved in the direction of the electrical component 22. The underside of the leaf spring 32 abuts in sections at the top of the electrical component 22.
- the upper tool 26 further comprises a clamping unit 34 having a first and a second bearing 36, 38 by means of which the leaf spring 32 is clamped in the upper tool 26.
- the leaf spring 32 is at a first end by the first bearing -
- the first bearing 36 is pivotally mounted about a pivot axis and fixed relative to this in a variety of positions, as indicated by the arrow B shown in FIG.
- the bias of the leaf spring 32 can be variably adjusted.
- the underside of the leaf spring 32 is partially against the second bearing 38.
- the second bearing 38 may be provided such that the upper side or the upper side and the lower side of the leaf spring 32 abuts in portions on it.
- a first state of the device 10 in which the leaf spring 32 is elastically deformed by a done in a previous step lowering the upper tool 26.
- a force F acts on the electrical component 22 and this presses against the laid on the support surface 14 substrate 16 for the duration of a curing process.
- heat is also supplied by the first heat source and the heat radiator 28 to cure the bonding agent 20 applied between the electrical component 22 and the substrate 16. Consequently, in the first state, a simultaneous application of a force input by the leaf spring 32 and a heat input by the first heat source and the heat radiator 28 takes place.
- the contact surfaces 24 of the electrical component 22 are electrically conductively in contact with the contact surfaces 18 of the substrate 16, so that after the hardening process has elapsed, the electrical component 22 is mechanically and electrically conductively connected to the substrate 16 is.
- FIGS. 2 to 4 show a second embodiment of the device 10a for simultaneously connecting a plurality of electrical components 22 to the substrate 16.
- the pressing element 30a shown comprises three strip-shaped leaf springs 32a, which are arranged substantially parallel to each other.
- the plurality of leaf springs 32a are connected to each other at the first end, so that the pressing member - -
- FIGS. 2 and 3 show the first state of the device 10a, in which the electrical components 22 are pressed by means of the leaf springs 32a of the pressing element 30a against the substrate 16 arranged on the support surface 14 for the duration of the curing process.
- the leaf springs 32a have no elastic deformation induced by a relative movement between the upper tool 26 and the lower tool 12.
- dashed lines 40 in FIG. 4 which show the shape of the clamped leaf springs 32a in the first state, the leaf springs 32a in the second state have a more pronounced curvature toward the substation train 12.
- Fig. 5 is a plan view of a further embodiment of a pressing member 30b is shown.
- the pressing member 30b is integrally formed and has a plurality of leaf springs 32b.
- the pressing member 30b may be formed of a stainless steel sheet having a thickness of 1 mm, for example, and manufactured by a laser cutting method.
- the pressing element 30c comprises a plurality of leaf springs 32c, which are connected to each other at a first end via a web extending transversely to the leaf springs 32c.
- the bridge is just formed.
- the leaf springs 32c have an arcuate shape.
Landscapes
- Wire Bonding (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102015006981.0A DE102015006981B4 (de) | 2015-05-29 | 2015-05-29 | Thermokompressionsvorrichtung und Verfahren zum Verbinden von elektrischen Bauteilen mit einem Substrat |
| PCT/EP2016/060165 WO2016192926A1 (de) | 2015-05-29 | 2016-05-06 | Thermokompressionsvorrichtung mit einem federelement mit variabel einstellbarer vorspannung und verfahren zum verbinden von elektrischen bauteilen mit einem substrat unter verwendung der thermokompressionsvorrichtung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3304582A1 true EP3304582A1 (de) | 2018-04-11 |
Family
ID=55963345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP16721787.6A Withdrawn EP3304582A1 (de) | 2015-05-29 | 2016-05-06 | Thermokompressionsvorrichtung mit einem federelement mit variabel einstellbarer vorspannung und verfahren zum verbinden von elektrischen bauteilen mit einem substrat unter verwendung der thermokompressionsvorrichtung |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3304582A1 (de) |
| DE (1) | DE102015006981B4 (de) |
| WO (1) | WO2016192926A1 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102018002958B4 (de) | 2018-04-11 | 2021-03-18 | Mühlbauer Gmbh & Co. Kg | Vorrichtung und Verfahren zum Verbinden eines Halbleiterbauteils mit einer auf einem Substrat befindlichen Leiterstruktur |
| DE102020007235A1 (de) | 2020-11-26 | 2022-06-02 | Mühlbauer Gmbh & Co. Kg | Thermokompressionsvorrichtung und Verfahren zum Verbinden von elektrischen Bauteilen mit einem Substrat |
| DE102024200047A1 (de) * | 2024-01-04 | 2025-07-10 | Robert Bosch Gesellschaft mit beschränkter Haftung | Positioniereinheit für ein Busbar-Element in einem Modultaschenelement |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4160893A (en) * | 1977-12-29 | 1979-07-10 | International Business Machines Corporation | Individual chip joining machine |
| JPH03225842A (ja) | 1990-01-30 | 1991-10-04 | Mitsubishi Electric Corp | ボンディングツール |
| US5088190A (en) * | 1990-08-30 | 1992-02-18 | Texas Instruments Incorporated | Method of forming an apparatus for burn in testing of integrated circuit chip |
| DE69216658T2 (de) | 1991-02-25 | 1997-08-07 | Canon Kk | Vorrichtung und Verfahren zur Verbindung elektrischer Bauelemente |
| JP3120681B2 (ja) * | 1995-01-05 | 2000-12-25 | 松下電器産業株式会社 | Tcp圧着装置 |
| US5894982A (en) * | 1995-09-29 | 1999-04-20 | Kabushiki Kaisha Toshiba | Connecting apparatus |
| JP3030271B2 (ja) | 1997-05-19 | 2000-04-10 | 富士通株式会社 | 半導体部品の実装方法 |
| CH693052A5 (de) * | 1998-06-24 | 2003-01-31 | Esec Trading Sa | Vorrichtung und Verfahren zum Aufbringen von integrierten Schaltungen auf einen Rahmen mit Anschlussfingern. |
| EP1030349B2 (de) | 1999-01-07 | 2013-12-11 | Kulicke & Soffa Die Bonding GmbH | Verfahren und Vorrichtung zum Behandeln von auf einem Substrat angeordneten elektronischen Bauteilen, insbesondere von Halbleiterchips |
| US6436223B1 (en) * | 1999-02-16 | 2002-08-20 | International Business Machines Corporation | Process and apparatus for improved module assembly using shape memory alloy springs |
| DE10140661C1 (de) * | 2001-08-24 | 2003-01-16 | Orga Kartensysteme Gmbh | Vorrichtung und Verfahren zur Herstellung von Flip-Chip-Modulen |
| US20060042054A1 (en) * | 2004-08-25 | 2006-03-02 | Kippes Kyle W | Securing lids to semiconductor packages |
| DE102005006978B3 (de) * | 2005-02-15 | 2006-06-08 | Mühlbauer Ag | Verfahren und Vorrichtung zum Verbinden von Halbleiterelementen oder Interposern mit einem Trägerband und Verwendung einer derartigen Vorrichtung |
| DE102005060688A1 (de) * | 2005-12-15 | 2007-06-21 | Kämpfert, Marco | Vorrichtung und Verfahren zum Anströmreinigen von Spaltfreiräumen geringer Höhe und deren Verwendung |
| WO2008073432A2 (en) * | 2006-12-11 | 2008-06-19 | Fry's Metals, Inc. | No flow underfill process, composition, and reflow carrier |
| DE102007058802B3 (de) * | 2007-12-06 | 2009-06-10 | Datacon Technology Gmbh | Thermodenvorrichtung |
| US8278142B2 (en) | 2008-05-22 | 2012-10-02 | Texas Instruments Incorporated | Combined metallic bonding and molding for electronic assemblies including void-reduced underfill |
| JP2010034423A (ja) * | 2008-07-30 | 2010-02-12 | Fujitsu Ltd | 加圧加熱装置及び方法 |
| WO2010095311A1 (ja) | 2009-02-17 | 2010-08-26 | シャープ株式会社 | 圧着方法および圧着装置 |
| CN102668051A (zh) * | 2009-10-19 | 2012-09-12 | 住友电木株式会社 | 电子装置的制造方法、电子装置以及制造电子装置的设备 |
| TWI564106B (zh) | 2011-03-28 | 2017-01-01 | 山田尖端科技股份有限公司 | 接合裝置以及接合方法 |
| DE102012012879B3 (de) | 2012-06-28 | 2013-09-19 | Mühlbauer Ag | Thermokompressionsvorrichtung und Verfahren zum Verbinden elektrischer Bauteile mit einem Substrat |
-
2015
- 2015-05-29 DE DE102015006981.0A patent/DE102015006981B4/de not_active Expired - Fee Related
-
2016
- 2016-05-06 WO PCT/EP2016/060165 patent/WO2016192926A1/de not_active Ceased
- 2016-05-06 EP EP16721787.6A patent/EP3304582A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| DE102015006981A1 (de) | 2016-12-01 |
| DE102015006981B4 (de) | 2018-09-27 |
| WO2016192926A1 (de) | 2016-12-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2624017B1 (de) | Verfahren zum Praegen eines Reliefmusters in einen thermoplastischen Informationstraeger und Praegeeinrichtung zur Durchfuehrung des Verfahrens | |
| EP3313670B1 (de) | Verfahren und vorrichtung zum übertragen eines dekorabschnitts einer prägefolie | |
| DE102009012255A1 (de) | Schaltungsanordnung | |
| DE102011010984B4 (de) | Verfahren zum partiellen Laminieren von flexiblen Substraten | |
| DE102015006981B4 (de) | Thermokompressionsvorrichtung und Verfahren zum Verbinden von elektrischen Bauteilen mit einem Substrat | |
| DE2532009A1 (de) | Verfahren zur herstellung eines elektrischen bauteiles, bestehend aus mindestens zwei durch eine isolierschicht getrennte bauelemente | |
| DE102013101124A1 (de) | Vorrichtung und Verfahren zum Sintern eines Sinterproduktes | |
| EP1352551B1 (de) | Verfahren und vorrichtung zum anbringen von leiterdrähten auf oder in einer trageschicht | |
| DE102012012879B3 (de) | Thermokompressionsvorrichtung und Verfahren zum Verbinden elektrischer Bauteile mit einem Substrat | |
| DE102005038416B3 (de) | Thermodenvorrichtung für eine Vielzahl von Halbleiterbauelementen | |
| DE10019443A1 (de) | Vorrichtung zum Befestigen eines Halbleiter-Chips auf einem Chip-Träger | |
| WO2010083976A1 (de) | Vorrichtung zum auflöten eines leiters auf einen schaltungsträger | |
| EP2036689A1 (de) | Holzwerkstoffplattenvergütungsvorrichtung | |
| DE102021119429A1 (de) | Vorrichtung und Verfahren zur Herstellung von RFID Transpondern | |
| DE102005006978B3 (de) | Verfahren und Vorrichtung zum Verbinden von Halbleiterelementen oder Interposern mit einem Trägerband und Verwendung einer derartigen Vorrichtung | |
| EP3781410A1 (de) | Fertigungsanlage für die herstellung von sicherheits- oder buchdokumenten | |
| DE102011011174A1 (de) | Vorrichtung und Verfahren zur Herrstellung von Permanentmagnetrotoren | |
| DE102005041464A1 (de) | Thermodeneinrichtung mit Heizplatte | |
| DE102018002958B4 (de) | Vorrichtung und Verfahren zum Verbinden eines Halbleiterbauteils mit einer auf einem Substrat befindlichen Leiterstruktur | |
| DE102020007235A1 (de) | Thermokompressionsvorrichtung und Verfahren zum Verbinden von elektrischen Bauteilen mit einem Substrat | |
| DE102013001967A1 (de) | Vorrichtung und Verfahren zum Übertragen elektronischer Bauteile von einem ersten Träger zu einem zweiten Träger | |
| DE102007055274A1 (de) | Laminator | |
| EP2996864B1 (de) | Verfahren und vorrichtung zum aufbringen von zierstreifen auf einen sitzbezug | |
| DE102015119559B4 (de) | Verfahren zum Laminieren eines Substrates | |
| DE102018003272B3 (de) | Aufnahmevorrichtung für einen Solarzelleneinheiten-Nutzen und Herstellungsverfahren für einen Solarzelleneinheiten-Nutzen |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
| 17P | Request for examination filed |
Effective date: 20171004 |
|
| AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
| AX | Request for extension of the european patent |
Extension state: BA ME |
|
| DAV | Request for validation of the european patent (deleted) | ||
| DAX | Request for extension of the european patent (deleted) | ||
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
| 18D | Application deemed to be withdrawn |
Effective date: 20191203 |