WO2002017016A1 - Verre protecteur destine a un petit appareil de prise de vues, procede de fabrication associe, et formation de filiere destinee au moulage de ce verre - Google Patents

Verre protecteur destine a un petit appareil de prise de vues, procede de fabrication associe, et formation de filiere destinee au moulage de ce verre Download PDF

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Publication number
WO2002017016A1
WO2002017016A1 PCT/JP2001/007085 JP0107085W WO0217016A1 WO 2002017016 A1 WO2002017016 A1 WO 2002017016A1 JP 0107085 W JP0107085 W JP 0107085W WO 0217016 A1 WO0217016 A1 WO 0217016A1
Authority
WO
WIPO (PCT)
Prior art keywords
glass
protective glass
curved
protective
mold
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.)
Ceased
Application number
PCT/JP2001/007085
Other languages
English (en)
Japanese (ja)
Inventor
Taichi Fukuhara
Toru Higuchi
Noriaki Nagahata
Keiichi Miyagi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Sheet Glass Co Ltd
Original Assignee
Nippon Sheet Glass Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nippon Sheet Glass Co Ltd filed Critical Nippon Sheet Glass Co Ltd
Priority to AU2001278763A priority Critical patent/AU2001278763A1/en
Publication of WO2002017016A1 publication Critical patent/WO2002017016A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B23/00—Re-forming shaped glass
    • C03B23/02—Re-forming glass sheets
    • C03B23/023—Re-forming glass sheets by bending
    • C03B23/035—Re-forming glass sheets by bending using a gas cushion or by changing gas pressure, e.g. by applying vacuum or blowing for supporting the glass while bending
    • C03B23/0352—Re-forming glass sheets by bending using a gas cushion or by changing gas pressure, e.g. by applying vacuum or blowing for supporting the glass while bending by suction or blowing out for providing the deformation force to bend the glass sheet
    • C03B23/0357—Re-forming glass sheets by bending using a gas cushion or by changing gas pressure, e.g. by applying vacuum or blowing for supporting the glass while bending by suction or blowing out for providing the deformation force to bend the glass sheet by suction without blowing, e.g. with vacuum or by venturi effect
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/56—Accessories
    • G03B17/565—Optical accessories, e.g. converters for close-up photography, tele-convertors, wide-angle convertors

Definitions

  • the present invention relates to a protective glass for a small camera, a method for manufacturing the same, and an improvement in a mold for the same.
  • a solid-state imaging device in which an imaging chip is fixed to a housing via a variable height element, a flat glass plate is exposed at a distance from the imaging chip, and the imaging chip is protected by the glass plate.
  • Japanese Patent Application Laid-Open No. Hei 9-2188989 discloses a surveillance camera, a cylindrical body covering the surveillance camera, and an annular holder fitted around the outer periphery of the cylindrical body.
  • an intrusion monitoring device including a window formed in an image direction and a flat glass for protecting a surveillance camera attached to the window.
  • JP-A-Heisei 7-213080 the imaging chip is protected by a flat glass plate, and in JP-A-Heisei 9-21089, the lens of a surveillance camera is protected by a flat glass.
  • a protective glass is required, and both use a flat glass as a protective glass.
  • FIGS. 16A and 16B show a compact camera using a conventional protective glass.
  • the camera body 102 is placed in the case 101, the flat glass 103 is attached to the case 101, and the camera body is passed through the flat glass 103.
  • the optical information is incorporated into 102.
  • the viewing angle ⁇ 1 of the camera body 102 is relatively narrow. To see a limited area, a narrow viewing angle is better.
  • equipment costs camera + receiver + relay cable
  • FIG. 16B shows a miniature camera 104 having a wide viewing angle 02.
  • the camera body 105 is housed in a case 106 and optical information is obtained through a flat glass 107.
  • the center of the field of view 108 is not affected by refraction, but at the periphery of the field of view 109, the effect of refraction appears strongly due to the large incident angle, causing a phenomenon in which the periphery of the image is distorted.
  • the width W of the case 106 is increased, and the mounting seat (not shown) of the case 106 needs to be enlarged. Disclosure of the invention
  • An object of the present invention is to provide a technique capable of achieving both compactness of a case and sharpness of an image.
  • a protective glass attached to a case accommodating a camera body including a solid-state imaging device, wherein the protective glass is formed so as to protrude outward from the case.
  • a protective glass for a small camera which is made of curved glass.
  • the case can be made more compact. If the solid-state imaging device is focused on the focal point of the curved glass, a clear image can be obtained even at the periphery of the field of view.
  • a spherical glass forming a part of a sphere, a cylinder surface glass forming a part of a cylinder, or a semi-cylindrical part forming a part of a cylinder; And a composite curved glass comprising a spherical portion forming a part of a sphere at both ends. Since the curved glass has a dome shape, it can sufficiently withstand external force, and its thickness can be reduced and its thickness can be reduced. Therefore, the weight of the protective glass can be reduced. If a flange is formed around the spherical glass, when the protective glass is bonded to the case, the flange effectively functions as an adhesive surface. In addition, protective glass The use of the cylinder face glass is preferable because a plurality of camera bodies can be collectively stored in a case and used.
  • a protective glass to be housed in a case, in which a camera body containing a solid-state imaging device is incorporated, and mounting on the case, cutting out of a flat glass to prepare a glass plate, Setting the glass plate in a mold so as to support the peripheral edge of the glass plate, heating the set glass plate to a temperature equal to or higher than the softening point temperature, depressurizing the lower surface of the glass plate and / or applying the upper surface of the glass plate. And pressing the glass plate so as to be curved downward so that the glass plate has a downwardly convex state.
  • the glass sheet is curved by supporting only the peripheral portion. Therefore, since there is no possibility of damaging the glass plate, the polishing step can be omitted, and the manufacturing cost can be reduced. Furthermore, since glass plates are cut out from large-format flat glass, the raw materials can be easily obtained. In addition, when a plurality of receiving seats are provided in a molding die, a plurality of glass plates can be processed at one time, so that mass production can be easily performed.
  • the glass plate cut out from the flat glass is supported by a corner where the lower surface and the cut surface intersect.
  • these irregularities are transferred to the glass plate, which affects the finish quality of the protective glass.
  • the finish quality of the protective glass can be improved.
  • the manufacturing method further includes a step of cooling the curved glass after heating and bending the glass plate.
  • the type of cooling is slow cooling.
  • a molding die for molding a protective glass attached to a case accommodating a camera body containing a solid-state imaging device wherein the molding die has an outer shape of a glass disk.
  • a mold body in which an upper opening having a larger diameter than the upper opening and a cone hole which contracts downward following the upper opening are formed, and in the middle of the cone hole, the lower surface of the glass disk A mold for protecting glass for small cameras, characterized in that a corner edge where the cutting surface and the cut surface intersect is engaged.o In this way, by simply opening a cone hole in the mold body and dropping the glass disc into the cone hole, the glass disc can be received by the mold only at the corner edge.
  • the mold is a simple mold, it is possible to suppress an increase in mold cost. Then, if the sheet glass is received by the forming die only at the corner edge, even if there is unevenness on the forming die side, it is not affected by the unevenness, and as a result, the finish quality of the glass sheet can be improved.
  • FIG. 1 is a sectional view of a small camera using a protective glass according to a first embodiment of the present invention.
  • FIGS. 2A and 2B are cross-sectional views of a small camera using the protective glass of the present example and a small camera using a conventional protective glass as a comparative example.
  • FIG. 3A is a front view of a glass disk for manufacturing the protective glass shown in FIG. 1, and FIG. 3B is a cross-sectional view taken along line 3B-3B in FIG. 3A.
  • FIG. 4 is a sectional view of a molding die according to a first embodiment used in the present invention.
  • FIG. 5 are explanatory views of a method for producing the protective glass of the present invention using the mold shown in FIG.
  • FIG. 6 is a specific flowchart of the manufacturing method shown in FIG.
  • FIG. 7 is a plan view of a molding die obtained by improving the molding die shown in FIG. 4 and providing a plurality of receiving seats for receiving a plurality of glass disks.
  • FIG. 8 is a sectional view taken along line 8-8 in FIG.
  • FIG. 9A is a perspective view of a protective glass according to a second embodiment of the present invention
  • FIG. 9B is a cross-sectional view taken along line 9B-9B of FIG. 9A.
  • FIG. 10 is a perspective view of a protective glass according to the third embodiment.
  • FIG. 11A is a perspective view of the protective glass according to the fourth embodiment.
  • FIG. 2 is a cross-sectional view taken along the line 11B—11B of 11A.
  • FIG. 12 is a sectional view of a molding die according to a second embodiment used in the present invention.
  • FIG. 13 are explanatory views showing a method of manufacturing the protective glass of the present invention using the mold shown in FIG.
  • FIG. 14 is a perspective view of a molding furnace for producing the protective glass according to the present invention.
  • FIG. 15 is an explanatory view showing the operation of the molding heating furnace shown in FIGS. 15 and 14.
  • FIG. 16A and FIG. 16B are cross-sectional views of a conventional small camera using a protective glass.
  • a small camera 10 includes a camera body 11 having a built-in solid-state imaging device housed in a case 12, and optical information transmitted to the solid-state imaging device through the protective glass 13 according to the present invention attached to the case 12.
  • the protective glass 13 is characterized in that the protective glass 13 is a curved glass such as a spherical glass forming a part of a sphere or a cylinder surface glass forming a part of a cylinder.
  • optical information can be captured into the camera body 11 with an extremely large viewing angle 02.
  • the position of the protective glass 13 shown in FIG. 1 may be changed at the request of the camera body 11, specifically, the distance H shown in the figure may be changed. Changing the distance H can be achieved by changing the dimensions of Cases 1 and 2.
  • FIG. 2A shows an embodiment of a small camera using the protective glass according to the present invention
  • FIG. 2B shows a comparative example.
  • FIG. 2B is the conventional diagram shown in FIG. 16B.
  • the camera body 105 has the same viewing angle 02 as the camera body 11 shown in FIG. 2A. As a result, the width W of the case 106 becomes extremely large.
  • the embodiment of the present invention can achieve a significant compactness of the case 12 compared to the conventional product.
  • the protective glass 107 of the comparative example shown in FIG. 2B is a flat glass, It must be thick enough to withstand external forces due to wind pressure and other factors.
  • the protective glass 13 of the embodiment shown in FIG. 2A has a dome shape, it can sufficiently withstand an external force from the top to the bottom of the drawing and can be reduced in thickness. By reducing or reducing the thickness, the weight of the protective glass 13 can be reduced.
  • the curved protective glass 13 exhibiting such an effect can be manufactured by various methods as described below.
  • a glass plate is heated to a temperature above the softening point, press-formed with a press die with irregularities, and the surface is polished.
  • a curved glass manufactured by a known method can be applied to the protective glass 13 of the present invention.
  • the above (1) uses inexpensive flat glass, so mass production is possible. However, due to the polishing process, manufacturing costs are not significantly reduced.
  • the above (2) has advantages for large curved glass, but is not suitable for manufacturing small curved glass.
  • 3A and 3B show a glass disk as a material for manufacturing the curved protective glass according to the present invention.
  • FIG. 3A shows a glass disk 15 as a material, and the glass disk 15 is cut out from a large-sized flat glass (not shown).
  • FIG. 3B is a sectional view taken along line 3B-3B in FIG. 3A.
  • Suitable flat glass is soda lime glass, borosilicate glass, etc., but the type of glass is not particularly limited.
  • FIG. 4 is a sectional view of a molding die according to a first embodiment used in the present invention.
  • the molding die 20 includes a receiving seat 21 that supports the edge 16 of the glass disk 15, a decompression chamber 22 that descends from the inner edge of the receiving seat 21, and an exhaust that discharges air from the decompression chamber 22.
  • a passage 23 is provided in the mold body 24. This exhaust passage 23 is connected to exhaust means 26.
  • Exhaust hand A vacuum pump is suitable for stage 26.
  • FIG. 5 are explanatory diagrams of the method for producing the protective glass of the present invention.
  • the glass disk 15 is placed on the receiving seat 21 of the mold 20. Then, it is put into a heating furnace such as an electric furnace.
  • the pressure in the decompression chamber 22 is reduced to about 0.4 to 0.6 atm (about 40 to 60 kPa).
  • the glass disk 15 is heated to the softening point temperature or higher, it starts to be bent by its own weight.
  • a suction force due to the reduced pressure acts.
  • the periphery of the disk is simply supported, and the distributed load acts on the disk, and the center flexes to its maximum due to its own weight + suction force.
  • the upper surface may be pressurized at about 1.1 to 1.2 atm (about 110 to 120 kPa).
  • the glass disk 15 is heated to a temperature higher than the softening point, the glass disk 15 starts to bend under its own weight. In addition, a downward force due to pressure is applied.
  • simply supporting the periphery of the disk means that a distributed load has been applied to the disk, and the center is flexed to its maximum by its own weight + applied pressure.
  • pressurization and suction may be used in combination.
  • ST 02 The glass disk 15 is set in the mold 20 as shown in FIG.
  • the degree of curvature (radius of curvature and bending depth) of the protective glass increases as the heating temperature in ST05 increases, increases as the heating time increases, and the pressure decreases as the vacuum becomes higher in ST06.
  • the larger the suction time, the larger it becomes. Therefore, one or more of the heating temperature, the heating time, the pressure reduction degree, the suction time, the pressure degree, and the pressing time may be changed according to the required degree of curvature. Further, for example, heating may be performed at ST 800 at a temperature of about 800 ° C. for about 2.5 minutes.
  • the molding die 20 has a plurality of (12 in this embodiment) receiving seats 21 in a single mold main body 24 and a number of decompression chambers 22 corresponding to the number of the receiving seats 21.
  • the mold body 24 is provided with an exhaust passage 23 in the form of a communication passage, and by reducing the pressure in the exhaust passage 23, it is possible to collectively reduce the pressure in the plurality of decompression chambers 22. it can.
  • the curved protective glass can be mass-produced with high efficiency.
  • the protective glass 13 includes a flange portion 27 and a curved portion 28.
  • the flange 27 is useful as an adhesive surface.
  • the protective glass 13 of this embodiment is obtained by increasing the width of the receiving seat 21 of the molding die 20 and increasing the diameter of the glass disk 15 of the material. Can be easily formed.
  • FIG. 10 shows a protective glass according to a third embodiment of the present invention.
  • the protective glass 13 of this embodiment is composed of a part of a cylinder.
  • a series of multiple cameras are collectively stored in a case, which is used as a protective glass 13 to cover the case.
  • FIGS. 11A and 11B show a protective glass according to a fourth embodiment of the present invention.
  • the protective glass 13 of the present embodiment is a composite curved glass in which spherical portions 30 and 30 are combined on the left and right of a cylindrical portion 29.
  • various shapes can be formed for the protective glass 13 of the present invention, and the shape can be freely determined according to the requirements of the camera. That is, those having a shape that can be manufactured may follow the manufacturing steps in FIG. 6, and others may follow the manufacturing method described in (1) or (2) above.
  • FIG. 12 shows a second embodiment of the mold used in the present invention.
  • a cone hole 42 whose diameter D 1 of the upper opening is slightly larger than the outer diameter d 1 of the glass disk 15, and whose diameter is reduced downward is opened in the mold body 41.
  • the exhaust passage 43 extends from the bottom of the cone hole 42, and the exhaust means 43 is connected to the exhaust passage 43.
  • the evacuation means 44 is preferably a vacuum pump.
  • the upper surface of the glass disk 15 may be pressed by a pressurized gas instead of the exhaust means 44. Since it will be used later, the taper angle 0 with respect to the center line of the cone hole 42 is defined as the mold taper angle.
  • the glass disk 15 cut out of the flat glass has a corner edge 19 at which the lower surface 17 and the cut surface 18 intersect.
  • FIG. 13 show a method of manufacturing the protective glass of the present invention using the mold shown in FIG.
  • the glass disk 15 is placed by bringing only the corner edge 19 into contact with the cone hole 42 of the mold body 41. Since the glass disk 15 is in line contact with the mold body 41 at the corner 19, even if the mold body 41 has irregularities, there is a possibility that the irregularities may be transferred to the glass disk 15. Absent.
  • the cone hole 42 has a centering action of matching the center of the glass disk 15 with the center of the cone hole 42, so that a symmetrical shape can be easily formed. And put in a heating furnace such as an electric furnace o
  • the space below the glass disk 15 is reduced to about 0.4 to 0.6 atm (about 40 to 60 kPa), or the space above the glass disk 15 is reduced.
  • Glass disk 15 starts to bend under its own weight by heating above the softening point temperature.
  • a suction force due to reduced pressure or a pressing force due to pressurization acts on the dead weight.
  • the periphery of the disk is simply supported, and the distributed load acts on the disk, and the center flexes to its maximum due to its own weight + suction force (or its own weight + applied pressure).
  • the lower surface may be sucked while the upper surface of the glass disk 15 is pressed.
  • the exhaust means 44 shown in FIG. 12 is stopped, and then 1.1 air pressure (about 11 O) is applied to the cone hole 42 through the exhaust passage 43. If a gas of about kPa) is blown, the protective glass 13 can be easily released from the mold by the action of pushing up the gas, and the productivity can be improved.
  • the gas that promotes mold release can also be used as a refrigerant, and the same cooling effect as the air-cooling treatment can be applied to the protective glass 13 by the cooling effect of the gas.
  • various molds 40 having a diameter D1 of the upper opening of 12 mm or 17 mm and a mold taper angle 0 of 30 °, 40 °, 60 °, 70 °, and 80 ° are provided.
  • a glass disk 15 with a thickness of 1.3 mm was placed on these molds 40, and the glass plate 15 was bent 5 mm or 8 mm downward.
  • parts other than the corner edge 19 of the glass plate 15 were in contact with the cone hole 42 and were scratched at 80 °.
  • the mold taper angle 0 be in the range of 40 to 70 °.
  • FIG. 14 a specific structural example of a heating furnace suitable for carrying out the method of the present invention will be described based on FIGS. 14 and 15.
  • FIG. 14 a specific structural example of a heating furnace suitable for carrying out the method of the present invention will be described based on FIGS. 14 and 15.
  • FIG. 14 a specific structural example of a heating furnace suitable for carrying out the method of the present invention will be described based on FIGS. 14 and 15.
  • a heating furnace 50 for forming includes a plurality of forming dies 40 arranged on a conveyor 53 extending between a driving wheel 51 and a driven wheel 52 in a very dense manner. This is a furnace of the type in which the middle part is surrounded by a furnace body 54. 55 is a feeder, 56 is a tray, and 57 is a power supply terminal.
  • the conveyor 53 is continuously or intermittently circulated in the direction of the arrow.
  • a heating heater 58 and a preheater 59 are provided inside the furnace body 54 and above and below the conveyor 53, and a pressurized gas injection port 61 and a pressure detection port 62 are opened above the furnace body 54.
  • the gas supply pipe 64 and the gas container 65 (or blower) are connected to the pressurized gas injection port 61, and the pressure sensor 66 is connected to the pressure detection port 62.
  • an exhaust pipe 67 is extended from a lower part of the furnace body 54 and connected to the exhaust means 44.
  • the preheater 59 is energized and heated to about 700 ° C.
  • the heater 58 is energized to about 550 ° C. at the furnace inlet 68 and about 800 ° C. at the furnace outlet 69.
  • pressurized gas is blown into the furnace from the gas container 65 and the upper part of the furnace is pressurized to about 1.1 to 1.2 atm (about 110 to 120 kPa). Create an atmosphere.
  • This pressure control is performed by the pressure sensor 66, the control unit 71, and the pressure control valve 72.
  • the lower part of the furnace is brought to a negative pressure lower than the atmospheric pressure by the action of the exhaust means 44.
  • the conveyor 53 is made to rotate at the start of energization to the heaters 58, 59.
  • the glass disk 15 ' is fed from the feeder 55 into a molding die 4OA (hereinafter, A to E are added to the reference numeral 40 in order to specify the action location).
  • a to E are added to the reference numeral 40 in order to specify the action location.
  • the conveyor 53 moves as indicated by the arrow 1
  • the mold 40B moves in the furnace.
  • the glass disk is moved by the same operation as described in FIGS. 13 (a) to (c). 15 becomes spherical.
  • the treated protective glass 13 falls into the tray 56 because it is 180 ° counter-tiled.
  • the protective glass 13 can be more reliably removed from the molding die 40 C. Can be released from the mold.
  • the empty mold 40E proceeds as shown by the arrow 2, and is preheated by the preheater 59 in preparation for the next processing. Since the glass disk set in the molding die 40 B that proceeds as shown by the arrow 1 is bent downward, the upper part of the furnace, that is, the upper part of the molding die 40 B is pressurized as shown in the figure. It is desirable that the lower part of the mold, that is, the lower part of the mold 40B, be in a negative pressure state, but only the gas container 65 or only the exhaust means 44 is required. The effect can also be achieved by acting.
  • the material of the molds 20 and 40 is preferably selected from stainless steel in consideration of heat resistance, and examples thereof include JIS-SUS304, SUS310, and SUS410.
  • a non-oxidizing gas nitrogen gas, argon gas, carbon dioxide gas, etc.
  • the molds 20, 40 can be constituted by carbon. It is easy to shape the mold into a mold, and it is also very easy to release curved protective glass.
  • the protective glass of the present invention may be put on a case for accommodating a so-called digital camera, a general optical camera, and other optical devices.
  • a curved glass is used as a protective glass to be attached to a case that houses a camera body including a solid-state imaging device.
  • the case can be made much more compact, and if the solid-state imaging device is focused on the curved glass, clear images can be obtained even at the periphery of the field of view. This is particularly useful for small electronic cameras.
  • it can be applied to general optical cameras and other optical devices.

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  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)

Abstract

L'invention concerne un verre protecteur (13) destiné à un petit appareil de prise de vues installé dans un boîtier (12) aux fins de logement du corps (11) dudit appareil incorporant un élément d'imagerie à semi-conducteurs. Ce verre se compose d'un verre courbe formé de manière à saillir sur l'extérieur du boîtier; ainsi, grâce à la courbe du verre protecteur, le boîtier peut revêtir une forme compacte, et lorsque le point de focalisation de l'élément d'imagerie à semi-conducteurs est aligné avec le point de focalisation du verre courbe, une image claire peut être obtenue, même au niveau du bord périphérique du champ de vision.
PCT/JP2001/007085 2000-08-24 2001-08-17 Verre protecteur destine a un petit appareil de prise de vues, procede de fabrication associe, et formation de filiere destinee au moulage de ce verre Ceased WO2002017016A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2001278763A AU2001278763A1 (en) 2000-08-24 2001-08-17 Protective glass for small camera, method of manufacturing the protective glass,and forming die for molding the protective glass

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2000-253448 2000-08-24
JP2000253448 2000-08-24
JP2001032426 2001-02-08
JP2001-32426 2001-02-08

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WO2002017016A1 true WO2002017016A1 (fr) 2002-02-28

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PCT/JP2001/007085 Ceased WO2002017016A1 (fr) 2000-08-24 2001-08-17 Verre protecteur destine a un petit appareil de prise de vues, procede de fabrication associe, et formation de filiere destinee au moulage de ce verre

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2866642A1 (fr) * 2004-02-21 2005-08-26 Schott Ag Procede de fabrication d'elements en vitroceramique, dispositif pour la mise en oeuvre dudit procede et elements en vitroceramique ainsi obtenus
JP2006245315A (ja) * 2005-03-03 2006-09-14 Matsushita Electric Ind Co Ltd 窓ガラス付き蓋体の製造方法
JP2007131499A (ja) * 2005-11-11 2007-05-31 Nippon Electric Glass Co Ltd ガラス物品の成形方法及び成形装置並びにガラス物品
JP2012076997A (ja) * 2012-01-24 2012-04-19 Nippon Electric Glass Co Ltd ガラス物品
JP5845496B1 (ja) * 2015-03-13 2016-01-20 株式會社塩山製作所 板ガラスの曲げ成形装置及び曲げ成形方法
CN110959130A (zh) * 2017-07-28 2020-04-03 弗劳恩霍夫应用研究促进协会 Mems镜组件和用于制造mems镜组件的方法

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US3552941A (en) * 1968-11-04 1971-01-05 Corning Glass Works Forming handled vitreous articles
JPS50107014A (fr) * 1974-01-30 1975-08-23
JPS50123713A (fr) * 1974-01-31 1975-09-29
JPS5130085B1 (fr) * 1967-06-19 1976-08-30
JPH04138441A (ja) * 1990-09-29 1992-05-12 Toshiba Corp カメラ装置
JPH0655871U (ja) * 1992-11-11 1994-08-02 株式会社村上開明堂 曲率フードガラス付き後方監視カメラ
JPH07147647A (ja) * 1993-11-24 1995-06-06 Atsumi Electron Corp Ltd 監視カメラ装置
JPH08139976A (ja) * 1994-11-04 1996-05-31 Nisca Corp パンチルトカメラ
JPH08223458A (ja) * 1995-02-20 1996-08-30 Fujitsu General Ltd ワイパ装置
JP2000156807A (ja) * 1998-11-20 2000-06-06 Sony Corp ドーム型ビデオカメラ装置

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Publication number Priority date Publication date Assignee Title
JPS5130085B1 (fr) * 1967-06-19 1976-08-30
US3552941A (en) * 1968-11-04 1971-01-05 Corning Glass Works Forming handled vitreous articles
JPS50107014A (fr) * 1974-01-30 1975-08-23
JPS50123713A (fr) * 1974-01-31 1975-09-29
JPH04138441A (ja) * 1990-09-29 1992-05-12 Toshiba Corp カメラ装置
JPH0655871U (ja) * 1992-11-11 1994-08-02 株式会社村上開明堂 曲率フードガラス付き後方監視カメラ
JPH07147647A (ja) * 1993-11-24 1995-06-06 Atsumi Electron Corp Ltd 監視カメラ装置
JPH08139976A (ja) * 1994-11-04 1996-05-31 Nisca Corp パンチルトカメラ
JPH08223458A (ja) * 1995-02-20 1996-08-30 Fujitsu General Ltd ワイパ装置
JP2000156807A (ja) * 1998-11-20 2000-06-06 Sony Corp ドーム型ビデオカメラ装置

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FR2866642A1 (fr) * 2004-02-21 2005-08-26 Schott Ag Procede de fabrication d'elements en vitroceramique, dispositif pour la mise en oeuvre dudit procede et elements en vitroceramique ainsi obtenus
US8650907B2 (en) 2004-02-21 2014-02-18 Schott Ag Method for reshaping glass-ceramic articles, apparatus for performing the method and glass-ceramic articles made thereby
JP2006245315A (ja) * 2005-03-03 2006-09-14 Matsushita Electric Ind Co Ltd 窓ガラス付き蓋体の製造方法
JP2007131499A (ja) * 2005-11-11 2007-05-31 Nippon Electric Glass Co Ltd ガラス物品の成形方法及び成形装置並びにガラス物品
JP2012076997A (ja) * 2012-01-24 2012-04-19 Nippon Electric Glass Co Ltd ガラス物品
JP5845496B1 (ja) * 2015-03-13 2016-01-20 株式會社塩山製作所 板ガラスの曲げ成形装置及び曲げ成形方法
CN110959130A (zh) * 2017-07-28 2020-04-03 弗劳恩霍夫应用研究促进协会 Mems镜组件和用于制造mems镜组件的方法
JP2020528582A (ja) * 2017-07-28 2020-09-24 フラウンホーファーゲゼルシャフト ツール フォルデルング デル アンゲヴァンテン フォルシユング エー．フアー． Ｍｅｍｓミラー機構及びｍｅｍｓミラー機構の製造方法
US11531196B2 (en) 2017-07-28 2022-12-20 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. MEMS mirror arrangement for detecting a large angular range

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