[특허]Packaging unit for semiconductor wafers

[미국특허] Packaging unit for semiconductor wafers 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B65D-085/30 B65D-057/00 B65D-081/00
출원번호	US-0668405 (1984-11-05)
우선권정보	DE-0013837 (1984-04-12)
발명자 / 주소	Voss, Jurgen Dombkowski, Otto Kudlich, Walter Stodulka, Jan
출원인 / 주소	Wacker-Chemie GmbH
대리인 / 주소	Collard, Roe & Galgano
인용정보	피인용 횟수 : 32 인용 특허 : 4

초록 ▼

A three-component tray-type packaging unit for semiconductor wafers, compatible with automatic equipment, includes a wafer carrier enclosed between a tub-shaped lower portion for receiving the wafer carrier and a matching lid. The wafers are fixed at four contact points-namely, in the wafer carrier by two rows of spring tongues arranged tangentially with respect to the wafer, and in the matching lid by two rows of inwardly projecting retention cones.

대표청구항 ▼

1. In a packaging unit for semiconductor wafers of the type including a wafer carrier for receiving the wafers which is open at the top and bottom and has guide ribs on both longitudinal sides and a crossbar at one open end face thereof, a generally tub-shaped container for receiving the wafer carrier, and a matching lid having a cross-sectional generally polygonal profile configured to generally conform to the circumference of the wafers, the improvement comprising: said container having a plurality of lateral surface portions arranged to fix the wafer carrier in the longitudinal and transverse directions with predetermined close tolerances; snap lock means for connecting said container and said matching lid to each other; said wafer carrier having a plurality of spring tongues arranged on both longitudinal sides thereof such that they are each disposed between a pair of adjacent guide ribs on the same level corresponding to about one fifth to one third of the lateral height of said carrier, said tongues having a free end extending downwardly into the interior of the wafer carrier at an angle deviating from 0° to 30° from the horizontal, with the length of said tongues being selected such that, upon loading of a wafer, the points of support of a wafer on said tongues and the center point of the wafer enclose an angle of from 75° to 120°; and said lid having a plurality of retention cones arranged on the inner side thereof in at least one row, said cones projecting inwardly and abutting each other at their bases with the spacing between the center points of adjacent cones being equal to the spacing of the guide ribs in the wafer carrier and the conical surfaces of adjacent retention cones cooperatively defining an included angle of from 60° to 90°, said cones being positioned such that, when a wafer is received within the packaging unit and the lid is closed, their points of contact on the edge of the wafer form an angle of from 0° to 50°, with respect to the center of the wafer, said lid also having a step-like ledge for fixing the wafer carrier within said matching lid and container which aligns a top edge of said wafer carrier with said lid such that corresponding and oppositely-disposed guide ribs and retention cones are arranged in one plane, whereby when the wafers are received within the packaging unit and the lid is closed, the wafers come into contact only with the conical surfaces of adjacent holding cones and the free end of the spring tongues. 2. The packaging unit as recited in claim 1, wherein said matching lid is made of transparent plastic material. 3. The packaging unit as recited in claim 1, wherein said spring tongues have two semi-cylindrical humps at their ends, said humps being separated by a V-shaped notch extending in the longitudinal direction and having a base surface with a convex curvature. 4. The packaging unit as recited in claim 1, wherein recesses are provided in the area of contact between the lower portion and matching lid to permit the pressure compensation between the interior of the package and the environment. 5. The packaging unit as recited in claim 1, wherein at least at one corner of the package, the rim of the lid and the outer edge of the lower portion end in flaps displaced by about 90° from one another. 6. The packaging unit as recited in claim 1, wherein the angle formed by the points of contact of the cones on the edge of the wafer is from 30° to 50° with respect to the center of the wafer. 7. The packaging unit as recited in claim 1, wherein two spaced-apart rows of retention cones are arranged on the inner side of said lid mirror-symmetrically with respect to the crest line of said lid.

이 특허에 인용된 특허 (4) 인용/피인용 타임라인 분석

Johnson, Douglas M., Package.
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Kudlich Walter (Burghausen DE) Herrmann Hans (Burghausen DE) Lechner Gunther (Burghausen DE) Berger Kurt (Burghausen DE), Packaging unit for semiconductor discs.
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Johnson Douglas M. (Waconia MN), Shipping container for silicone semiconductor wafers.
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Johnson Douglas M. (Waconia MN), Shipping container for substrates.
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이 특허를 인용한 특허 (32) 인용/피인용 타임라인 분석

Jacoby Robert ; Gregerson Barry, 300mm shipping container.
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Gregerson Barry ; Forbes Martin L., Advanced wafer shipper.
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Hayes Thomas J. ; Dellinger J. Scott, Bottom for a container.
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Mangla Raj K. ; Dellinger J. Scott ; Erickson Mark A. ; Hayes Thomas J. ; Maslach Suzanne R. ; Spencer Mark E., Bottom for a container.
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Niebling Tracy J. (Minneapolis MN) Bieger Walter I. (St. Paul MN), Bottom loading wafer carrier box.
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Rissotti Luigi (Vercelli ITX) Morici Moreno (Cameri ITX) Leoni Fabrizio (S-Trecate ITX) Girardi Adriano (Bellinzago ITX), Container for the storage and shipment of silicon disks or wafers.
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Hayes Thomas J. ; Dellinger J. Scott, Cover for a container.
상세보기
Hayes Thomas J. ; Maslach Suzanne R. ; Gomoll James N., Cover for a container.
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Mangla, Raj K.; Dellinger, J. Scott; Erickson, Mark A.; Hayes, Thomas J.; Maslach, Suzanne R.; Spencer, Mark E., Cover for a container.
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Bores Gregory W. ; Zabka Michael C., Cushioned wafer container.
상세보기
Mangla Raj K. (Pittsford NY), Dome lid for a container.
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Kikuchi Shoji (Tokyo JPX), Hard disk container.
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Kikuchi Shoji (Tokyo JPX), Hard disk container.
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Gregerson Barry L. (Shorewood MN), Package for semiconductor wafers.
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Kos Robert D. (Victoria MN), Robotic accessible wafer shipper assembly.
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Matsuo Shinichi,JPX ; Fujimaki Nobuyoshi,JPX ; Watanabe Shiroyasu,JPX ; Kato Kintaro,JPX, Semiconductor crystal packaging device.
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Gallagher Gary M. (Colorado Springs CO) Wittman Boyd C. (Colorado Springs CO) Neumann Edmund B. (Corvallis OR), Semiconductor wafer cassette transport box.
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Antoni Patricia A. (Wheeling IL) Nolan Timothy J. (Streamwood IL) Hayes Thomas J. (Wauconda IL) Arneson Theodore R. (Mt. Prospect IL) Coleman Jerry E. (Wheeling IL), Serving tray and cover therefor.
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Hackmann Ludger (Lohne/Oldenburg DEX), Shoe polish can.
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Mimura, Hiroshi, Substrate storage container.
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Benz William G. (1945 Piner Rd. ; #133 Santa Rosa CA 95401) Goode Vern E. (6645 Mt. Forest Dr. San Jose CA 95120) Ivie Donald (2040 Diane Ave. Morgan Hill CA 95037), Support structure for annular magnetic recording disks.
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Nyseth,David L.; Krampotich,Dennis J.; Ulschmid,Todd M.; Bores,Gregory W., Transport module.
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Davis Cecil J. (Greenville TX) Matthews Robert (Plano TX), Vacuum slice carrier.
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Mangla Raj K. ; Dellinger J. Scott ; Erickson Mark A. ; Hayes Thomas J. ; Maslach Suzanne R. ; Spencer Mark E., Vented container with handles and embossment.
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Raj K. Mangla ; J. Scott Dellinger ; Mark A. Erickson ; Thomas J. Hayes ; Suzanne R. Maslach ; Mark E. Spencer, Vented container with handles and embossment.
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Benzing, David W.; Luebker, Christopher A., Wafer boat and boat holder.
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Cheesman, Shawn; Eggum, Shawn D., Wafer carrier with wafer retaining system.
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Horng Jason,TWX ; Hsia Jason,TWX, Wafer container for storing integrated circuit wafers.
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Lu, Shao-Wei; Lu, Pao-Yi; Wang, Chien-Feng, Wafer container with elasticity module.
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Nyseth David L., Wafer cushions for wafer shipper.
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Nyseth David L. (Plymouth MN), Wafer cushions for wafer shipper.
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Gregerson Barry (Chanhassen MN), Wafer suspension box.
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A	생활필수품
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A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Packaging unit for semiconductor wafers 원문보기