DE3855424T2 - Haltevorrichtung für Substratscheiben - Google Patents
Haltevorrichtung für SubstratscheibenInfo
- Publication number
- DE3855424T2 DE3855424T2 DE3855424T DE3855424T DE3855424T2 DE 3855424 T2 DE3855424 T2 DE 3855424T2 DE 3855424 T DE3855424 T DE 3855424T DE 3855424 T DE3855424 T DE 3855424T DE 3855424 T2 DE3855424 T2 DE 3855424T2
- Authority
- DE
- Germany
- Prior art keywords
- holding device
- substrate wafers
- wafers
- substrate
- holding
- 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.)
- Expired - Fee Related
Links
- 239000000758 substrate Substances 0.000 title 1
- 235000012431 wafers Nutrition 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/68—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for positioning, orientation or alignment
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/683—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping
- H01L21/687—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches
- H01L21/68714—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches the wafers being placed on a susceptor, stage or support
- H01L21/68728—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches the wafers being placed on a susceptor, stage or support characterised by a plurality of separate clamping members, e.g. clamping fingers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/677—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for conveying, e.g. between different workstations
- H01L21/67763—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for conveying, e.g. between different workstations the wafers being stored in a carrier, involving loading and unloading
- H01L21/67778—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for conveying, e.g. between different workstations the wafers being stored in a carrier, involving loading and unloading involving loading and unloading of wafers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/683—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping
- H01L21/687—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches
- H01L21/68714—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches the wafers being placed on a susceptor, stage or support
- H01L21/68764—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches the wafers being placed on a susceptor, stage or support characterised by a movable susceptor, stage or support, others than those only rotating on their own vertical axis, e.g. susceptors on a rotating caroussel
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/683—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping
- H01L21/687—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches
- H01L21/68714—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches the wafers being placed on a susceptor, stage or support
- H01L21/68771—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches the wafers being placed on a susceptor, stage or support characterised by supporting more than one semiconductor substrate
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T279/00—Chucks or sockets
- Y10T279/24—Chucks or sockets by centrifugal force
- Y10T279/243—Chucks or sockets by centrifugal force to counterbalance jaws
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T279/00—Chucks or sockets
- Y10T279/31—Jaws mounted on flexible member; i.e., diaphragm
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/046,230 US4817556A (en) | 1987-05-04 | 1987-05-04 | Apparatus for retaining wafers |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3855424D1 DE3855424D1 (de) | 1996-08-22 |
DE3855424T2 true DE3855424T2 (de) | 1996-11-21 |
Family
ID=21942309
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3855424T Expired - Fee Related DE3855424T2 (de) | 1987-05-04 | 1988-05-03 | Haltevorrichtung für Substratscheiben |
Country Status (6)
Country | Link |
---|---|
US (1) | US4817556A (de) |
EP (1) | EP0290218B1 (de) |
JP (1) | JP2761887B2 (de) |
KR (1) | KR970004820B1 (de) |
CA (1) | CA1320741C (de) |
DE (1) | DE3855424T2 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10119570A1 (de) * | 2001-04-21 | 2002-10-31 | Schott Glas | Beschichtete Maschinenteile |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5040484A (en) * | 1987-05-04 | 1991-08-20 | Varian Associates, Inc. | Apparatus for retaining wafers |
US5168887A (en) * | 1990-05-18 | 1992-12-08 | Semitool, Inc. | Single wafer processor apparatus |
DE69021952T2 (de) * | 1989-06-29 | 1996-05-15 | Applied Materials Inc | Vorrichtung zur Handhabung von Halbleiterplättchen. |
US5080929A (en) * | 1990-04-02 | 1992-01-14 | Delco Electronics Corporation | Method and apparatus for through hole substrate printing |
GB9010833D0 (en) * | 1990-05-15 | 1990-07-04 | Electrotech Research Limited | Workpiece support |
US5222310A (en) * | 1990-05-18 | 1993-06-29 | Semitool, Inc. | Single wafer processor with a frame |
JP3064409B2 (ja) * | 1990-11-30 | 2000-07-12 | 株式会社日立製作所 | 保持装置およびそれを用いた半導体製造装置 |
JPH056752A (ja) * | 1991-02-05 | 1993-01-14 | Nissin High Voltage Co Ltd | イオン注入装置 |
US5296916A (en) * | 1991-04-18 | 1994-03-22 | International Business Machines Corp. | Mask alignment system for components with extremely sensitive surfaces |
ATE134554T1 (de) * | 1991-09-16 | 1996-03-15 | Sig Schweiz Industrieges | Greifer für einen manipulator |
CH686558A5 (de) * | 1992-04-06 | 1996-04-30 | Balzers Hochvakuum | Halteanordnung fur ein flochiges Werkstuck sowie Troger mit mindestens einer solchen. |
US5350427A (en) * | 1993-06-14 | 1994-09-27 | Varian Associates, Inc. | Wafer retaining platen having peripheral clamp and wafer lifting means |
US5513594A (en) * | 1993-10-20 | 1996-05-07 | Mcclanahan; Adolphus E. | Clamp with wafer release for semiconductor wafer processing equipment |
US5791895A (en) * | 1994-02-17 | 1998-08-11 | Novellus Systems, Inc. | Apparatus for thermal treatment of thin film wafer |
JP3288554B2 (ja) * | 1995-05-29 | 2002-06-04 | 株式会社日立製作所 | イオン注入装置及びイオン注入方法 |
US5863340A (en) * | 1996-05-08 | 1999-01-26 | Flanigan; Allen | Deposition ring anti-rotation apparatus |
US6145849A (en) * | 1998-11-18 | 2000-11-14 | Komag, Incorporated | Disk processing chuck |
JP2000183139A (ja) | 1998-12-17 | 2000-06-30 | Hitachi Ltd | イオン注入装置 |
US6452195B1 (en) * | 1999-08-18 | 2002-09-17 | Ibis Technology Corporation | Wafer holding pin |
US6398823B1 (en) * | 1999-12-07 | 2002-06-04 | Tru-Si Technologies, Inc. | Dynamic break for non-contact wafer holder |
US7312084B2 (en) | 2001-07-13 | 2007-12-25 | Ortho-Clinical Diagnostics, Inc. | Tandem incubator for clinical analyzer |
US6824343B2 (en) | 2002-02-22 | 2004-11-30 | Applied Materials, Inc. | Substrate support |
US7032287B1 (en) * | 2002-07-19 | 2006-04-25 | Nanometrics Incorporated | Edge grip chuck |
EP1454691A1 (de) * | 2003-03-04 | 2004-09-08 | Willemin Machines S.A. | Spannvorrichtung mit elastischen Gelenken |
US6794662B1 (en) * | 2003-10-07 | 2004-09-21 | Ibis Technology Corporation | Thermosetting resin wafer-holding pin |
US10086511B2 (en) | 2003-11-10 | 2018-10-02 | Brooks Automation, Inc. | Semiconductor manufacturing systems |
US7458763B2 (en) | 2003-11-10 | 2008-12-02 | Blueshift Technologies, Inc. | Mid-entry load lock for semiconductor handling system |
US7210246B2 (en) * | 2003-11-10 | 2007-05-01 | Blueshift Technologies, Inc. | Methods and systems for handling a workpiece in vacuum-based material handling system |
US20070269297A1 (en) | 2003-11-10 | 2007-11-22 | Meulen Peter V D | Semiconductor wafer handling and transport |
US20060231388A1 (en) * | 2005-04-14 | 2006-10-19 | Ravi Mullapudi | Multi-station sputtering and cleaning system |
DE102005059850A1 (de) * | 2005-12-15 | 2007-06-28 | Atmel Germany Gmbh | Vorrichtung zum Reinigen und Trocknen von Wafern |
US9218990B2 (en) * | 2011-10-07 | 2015-12-22 | Varian Semiconductor Equipment Associates, Inc. | Method and apparatus for holding a plurality of substrates for processing |
CN103137447B (zh) * | 2011-11-30 | 2016-05-11 | 中国科学院微电子研究所 | 离子注入机 |
CN103137413B (zh) * | 2011-11-30 | 2016-06-01 | 中国科学院微电子研究所 | 离子注入机控制系统 |
US11114329B2 (en) * | 2019-04-08 | 2021-09-07 | Semiconductor Components Industries, Llc | Methods for loading or unloading substrate with evaporator planet |
CN115355680B (zh) * | 2022-10-19 | 2023-01-03 | 四川上特科技有限公司 | 一种晶圆自动甩干装置 |
Family Cites Families (45)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2337329A (en) * | 1941-12-18 | 1943-12-21 | Gen Electric | Treatment of surfaces |
US2448881A (en) * | 1946-05-31 | 1948-09-07 | Super Mold Corp | Multiple jaw chuck |
US2686681A (en) * | 1950-06-03 | 1954-08-17 | Edward R Nyland | Device for holding workpieces |
US2865643A (en) * | 1957-06-27 | 1958-12-23 | John J Parker | Edge clamping chuck |
US2864332A (en) * | 1957-09-06 | 1958-12-16 | Raymond F Woolley | Crystal plating apparatus |
US3159395A (en) * | 1962-02-12 | 1964-12-01 | Continental Oil Co | Holder for glass ball joints |
US3191952A (en) * | 1963-07-05 | 1965-06-29 | Parker John J | Diaphragm chuck |
US3340176A (en) * | 1965-07-28 | 1967-09-05 | Western Electric Co | Vacuum processing machine |
US3625384A (en) * | 1968-09-26 | 1971-12-07 | Ibm | Article-handling apparatus |
US3645581A (en) * | 1968-11-26 | 1972-02-29 | Ind Modular Systems Corp | Apparatus and method for handling and treating articles |
US3566960A (en) * | 1969-08-18 | 1971-03-02 | Robley V Stuart | Cooling apparatus for vacuum chamber |
US3598083A (en) * | 1969-10-27 | 1971-08-10 | Varian Associates | Complex motion mechanism for thin film coating apparatuses |
US3700250A (en) * | 1970-12-01 | 1972-10-24 | Continental Can Co | Gripping type compound applying chuck assembly |
US3721210A (en) * | 1971-04-19 | 1973-03-20 | Texas Instruments Inc | Low volume deposition reactor |
US3874525A (en) * | 1973-06-29 | 1975-04-01 | Ibm | Method and apparatus for handling workpieces |
US3921572A (en) * | 1974-02-25 | 1975-11-25 | Ibm | Vacuum coating apparatus |
US3977955A (en) * | 1974-05-10 | 1976-08-31 | Bell Telephone Laboratories, Incorporated | Method for cathodic sputtering including suppressing temperature rise |
US3983838A (en) * | 1975-12-31 | 1976-10-05 | International Business Machines Corporation | Planetary evaporator |
JPS5291650A (en) * | 1976-01-29 | 1977-08-02 | Toshiba Corp | Continuous gas plasma etching apparatus |
US4068814A (en) * | 1976-10-18 | 1978-01-17 | General Electric Company | Semiconductor body holder |
US4282924A (en) * | 1979-03-16 | 1981-08-11 | Varian Associates, Inc. | Apparatus for mechanically clamping semiconductor wafer against pliable thermally conductive surface |
US4228358A (en) * | 1979-05-23 | 1980-10-14 | Nova Associates, Inc. | Wafer loading apparatus for beam treatment |
US4261762A (en) * | 1979-09-14 | 1981-04-14 | Eaton Corporation | Method for conducting heat to or from an article being treated under vacuum |
SU864381A1 (ru) * | 1979-11-05 | 1981-09-15 | Предприятие П/Я В-8495 | Держатель дл полупроводниковых пластин |
US4311427A (en) * | 1979-12-21 | 1982-01-19 | Varian Associates, Inc. | Wafer transfer system |
US4306731A (en) * | 1979-12-21 | 1981-12-22 | Varian Associates, Inc. | Wafer support assembly |
US4647266A (en) * | 1979-12-21 | 1987-03-03 | Varian Associates, Inc. | Wafer coating system |
US4313266A (en) * | 1980-05-01 | 1982-02-02 | The Silicon Valley Group, Inc. | Method and apparatus for drying wafers |
DE3028536C2 (de) * | 1980-07-28 | 1983-01-05 | Siemens AG, 1000 Berlin und 8000 München | Vorrichtung zur Halterung von kreisförmigen Substratscheiben und ihre Verwendung |
US4473455A (en) * | 1981-12-21 | 1984-09-25 | At&T Bell Laboratories | Wafer holding apparatus and method |
JPS58201241A (ja) * | 1982-05-19 | 1983-11-24 | Hitachi Ltd | イオン打込角制御法 |
US4447049A (en) * | 1982-08-02 | 1984-05-08 | Alumin-Art Plating Company | Apparatus for holding a work piece |
US4530635A (en) * | 1983-06-15 | 1985-07-23 | The Perkin-Elmer Corporation | Wafer transferring chuck assembly |
JPS6060060A (ja) * | 1983-09-12 | 1985-04-06 | 株式会社日立製作所 | 鉄道車両の扉開閉装置 |
JPS5994414A (ja) * | 1983-09-28 | 1984-05-31 | Hitachi Ltd | ウエハホルダ |
JPS6079724A (ja) * | 1983-10-07 | 1985-05-07 | Hitachi Ltd | 回転処理装置 |
US4553069A (en) * | 1984-01-05 | 1985-11-12 | General Ionex Corporation | Wafer holding apparatus for ion implantation |
JPS60167245A (ja) * | 1984-02-10 | 1985-08-30 | Hitachi Ltd | 試料保持装置 |
US4584045A (en) * | 1984-02-21 | 1986-04-22 | Plasma-Therm, Inc. | Apparatus for conveying a semiconductor wafer |
DE3463227D1 (en) * | 1984-08-03 | 1987-05-27 | Loh Kg Optikmaschf | Supporting device for vulnerable objects, in particular optical lenses and other optical elements |
JPS6151916A (ja) * | 1984-08-22 | 1986-03-14 | Toshiba Mach Co Ltd | 半導体基板の把持装置 |
JP2507302B2 (ja) * | 1984-09-19 | 1996-06-12 | アプライド マテリアルズ インコーポレーテッド | 半導体ウエハをイオンインプランテ−シヨンする装置及び方法 |
JPS6170930U (de) * | 1984-10-15 | 1986-05-15 | ||
JPH0228248B2 (ja) * | 1984-10-29 | 1990-06-22 | Ulvac Corp | Kibannoreikyakusochi |
EP0198501B1 (de) * | 1985-04-17 | 1992-07-01 | Hitachi, Ltd. | Greiferwerkzeug |
-
1987
- 1987-05-04 US US07/046,230 patent/US4817556A/en not_active Expired - Lifetime
-
1988
- 1988-05-02 JP JP63107749A patent/JP2761887B2/ja not_active Expired - Fee Related
- 1988-05-03 EP EP88303977A patent/EP0290218B1/de not_active Expired - Lifetime
- 1988-05-03 CA CA000565784A patent/CA1320741C/en not_active Expired - Fee Related
- 1988-05-03 DE DE3855424T patent/DE3855424T2/de not_active Expired - Fee Related
- 1988-05-04 KR KR1019880005178A patent/KR970004820B1/ko not_active IP Right Cessation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10119570A1 (de) * | 2001-04-21 | 2002-10-31 | Schott Glas | Beschichtete Maschinenteile |
DE10119570B4 (de) * | 2001-04-21 | 2005-12-08 | Schott Ag | Verwendung beschichteter Maschinenteile |
Also Published As
Publication number | Publication date |
---|---|
EP0290218A2 (de) | 1988-11-09 |
CA1320741C (en) | 1993-07-27 |
JP2761887B2 (ja) | 1998-06-04 |
KR890017791A (ko) | 1989-12-18 |
US4817556A (en) | 1989-04-04 |
KR970004820B1 (ko) | 1997-04-04 |
EP0290218B1 (de) | 1996-07-17 |
EP0290218A3 (en) | 1990-11-22 |
DE3855424D1 (de) | 1996-08-22 |
JPS6471050A (en) | 1989-03-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: VARIAN SEMICONDUCTOR EQUIPMENT ASSOCIATES, INC.(N. |
|
8339 | Ceased/non-payment of the annual fee |