JPH069985Y2 - Electronic component carrier - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to an electronic component carrier that sequentially conveys components to a device for automatically mounting electronic components on a printed wiring board.

<Prior Art> In recent years, high-speed automatic processing of electronic components has been promoted in response to chipping and flattening of electronic components, and electronic components are widely conveyed and supplied by a tape reel method suitable for this trend. There is. The electronic component carrier using the tape reel method is characterized in that electronic components are intermittently bonded and fixed to a carrier tape base material via an adhesive layer,
When supplying electronic components to a wiring board, the electronic components are picked up from a tape base material by a suction nozzle.

<Problems to be Solved by the Invention> In a carrier in which electronic components are directly fixed via such an adhesive layer, when the components are transported or when the carrier is rolled and stored. In addition, it is necessary to firmly bond and fix the electronic parts so that they will not fall off even if an external shock is applied.On the other hand, when supplying the electronic parts to the wiring board, the parts should be removed from the tape base material. It is necessary to be able to pick up easily and smoothly. If an adhesive having a strong adhesive force is selected, however, it is unavoidable that picking up a component becomes difficult.

The present invention has been made in view of the above problems of the prior art, and an object of the present invention is to maintain a strong adhesive state of an electronic component during transportation of the electronic component, and at the time of supplying the electronic component. It is an object of the present invention to provide a novel electronic component carrier that can be easily and smoothly removed.

<Means for Solving the Problems> Such an object is a carrier in which an electronic component is adhesively fixed to a carrier tape base material via an adhesive layer, and the adhesive layer has an adhesive end with the electronic component. It is desirable that the part is achieved by an electronic component carrier having weak adhesion, and the carrier tape base material has an easily stretchable area. Further, a similar object is a carrier in which electronic components are adhesively fixed to a carrier tape base material via an adhesive layer, wherein the carrier tape base material has an easily extensible area and the adhesive layer is This is also achieved in a partially provided structure such as a stripe shape.

<Example> The present invention will be described in detail with reference to the accompanying drawings. First
In FIG. 2 and FIG. 2, reference numeral 1 is an easily stretchable area 12 provided at the center in the width direction and feed holes provided at both sides of the area 12.
A transport tape substrate 2 comprising a feeding body 11 having 11 ..., 2 is a striped adhesive layer provided on the surface 12 of the substrate 1, and each layer 2 constitutes the layer 2. Adhesive layer
Of 20,20,22, the adhesive layers 21 and 22 on both sides have weak adhesiveness to the central adhesive layer 20. Reference numeral 3 denotes an electronic component which is intermittently bonded and fixed on the layer 2 in the lengthwise direction.
It is fixed on top of the 22 with a substantially even contact.

In the above, as the easily stretchable material forming the area 12, for example, nonwoven fabric such as urethane fiber, elastically braided woven fabric, polyurethane-based, polyolefin-based, polyester-based, polystyrene-based elastomer or the like,
Materials such as soft polyvinyl chloride may be mentioned, and it is desirable that the elongation is at least 50% or more, preferably 100 to 2000%. The base material 1 can be formed by abutting and fusing such an easily stretchable material and a feeding body having tensile strength as shown in the drawing, but for example, even if the respective side end portions are overlapped and adhered to each other. Good. In addition, the tape substrate 1 is the area 12
Can be configured by using a tape-shaped material in which the parts are omitted, but when the easily stretchable area 12 is provided in this way, the stress is relaxed by its buffering capacity against external impact, It is effective in preventing the dropout of 3 and this area 12
When the adhesive layer 2 is stretched, the component 3 is stretched.
This is preferable because the adhesive force between the component 3 and the component 3 is reduced and the pickup of the component 3 can be performed smoothly.

As the adhesive forming the layer 2, an adhesive such as an acrylic type, a rubber type, a styrene / isobutylene block polymer type can be usually used, and preferably a narrow width of about 0.1 to 2.0 mm and a thickness of about 1 to 100 μm. It is provided in. In the layer 2, the central adhesive layer 20 and the adhesive layers 21 and 22 on both sides can be made of different kinds of adhesives to have different adhesive strengths. The adhesive strength can be made different by changing the thickness and width. As described above, when the adhesive force of the layer 2 is weakly adhered to the electronic component 3 (adhesive portions of the layers 21 and 22), when the electronic component 3 is picked up while pushing up the component 3 with a needle or the like, for example, this end portion is picked up. Since it is peeled off smoothly from the adhesive and the peeling of the entire adhesive portion is promoted, the pickup can be performed easily, and the central adhesive layer 20 can maintain strong adhesiveness against external impact. The parts can be sufficiently prevented from falling off. Then, the layer 2 may be provided so as to be entirely adhered to the component surface if the end portion of the portion to be adhered to the electronic component is weakly adhered, but as shown in the figure, it is stripe-shaped or spot-shaped.
If it is partially provided so that it adheres to the component surface almost uniformly like a grid, even if peeling occurs at part of the adhesive interface with the component during transportation, it will be fixed at multiple locations Since the adhered state can be maintained at other portions, it is more advantageous than the whole surface adhesion in preventing peeling against impact. Further, when the base material 1 has the easily stretchable area 12, the stretchability of this area can facilitate the pickup of the parts as described above, so that even if the entire bonded portion has a uniform adhesive force. However, in this case, if the adhesive layer is partially provided like a stripe, a gap is formed between the component and the base material through the adhesive layer, so that the carrier is particularly rolled. Even when an external impact is applied when the material is wound into a roll, the gap portion provides the roll-shaped material with cushioning properties, which is effective in protecting the parts.

<Effects of the Invention> Since the present invention is configured as described above, each has the following effects. In the carrier according to claim 1, since the bonding end portion with the electronic component is weakly bonded, the component is firmly bonded and fixed to the tape base material at the time of transportation and at the time of picking up the component. Can be smoothly peeled off from the adhesive end, and in the carrier according to the second aspect, the picking up of parts can be further facilitated by the stretchability of the easily stretchable area. Further, in the carrier according to the third aspect, the parts can be picked up smoothly by the stretchability of the easily stretchable area, and since the adhesive layer is partially provided, the dropout damage of the parts due to external impact is effective. The feature is that it can be prevented.

[Brief description of drawings]

FIG. 1 is a partial plan view showing an example of the present invention, and FIG.
FIG. 6 is a sectional view taken along line I-I ′ in the figure. 1 ... Conveying tape base material, 12 ... easily stretchable area, 2 ...
Adhesive layer, 3 ... Electronic parts

Claims (3)

[Scope of utility model registration request] 1. A carrier in which an electronic component is adhered and fixed to a carrier tape base material via an adhesive layer, wherein the adhesive layer has a weak adhesive property at an adhesive end with the electronic component. Electronic component carrier. 2. The electronic component carrier according to claim 1, wherein the carrier tape base material has an easily extensible area. 3. A carrier in which electronic components are adhesively fixed to a carrier tape base material via an adhesive layer, wherein the carrier tape base material has an easily extensible area, and the adhesive layer is An electronic component carrier which is partially provided like a stripe.