DE68915376T2 - Telezentrisches f-Theta Linsensystem. - Google Patents

Telezentrisches f-Theta Linsensystem.

Info

Publication number
DE68915376T2
DE68915376T2 DE68915376T DE68915376T DE68915376T2 DE 68915376 T2 DE68915376 T2 DE 68915376T2 DE 68915376 T DE68915376 T DE 68915376T DE 68915376 T DE68915376 T DE 68915376T DE 68915376 T2 DE68915376 T2 DE 68915376T2
Authority
DE
Germany
Prior art keywords
telecentric
lens system
theta lens
theta
lens
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
Application number
DE68915376T
Other languages
English (en)
Other versions
DE68915376D1 (de
Inventor
Hiroyuki Dainippon Scr Shirota
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.)
Dainippon Screen Manufacturing Co Ltd
Original Assignee
Dainippon Screen Manufacturing 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 Dainippon Screen Manufacturing Co Ltd filed Critical Dainippon Screen Manufacturing Co Ltd
Publication of DE68915376D1 publication Critical patent/DE68915376D1/de
Application granted granted Critical
Publication of DE68915376T2 publication Critical patent/DE68915376T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/22—Telecentric objectives or lens systems
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/0005—Optical objectives specially designed for the purposes specified below having F-Theta characteristic

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
DE68915376T 1988-09-20 1989-09-19 Telezentrisches f-Theta Linsensystem. Expired - Fee Related DE68915376T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63237141A JPH0679103B2 (ja) 1988-09-20 1988-09-20 テレセントリツクｆθレンズ

Publications (2)

Publication Number Publication Date
DE68915376D1 DE68915376D1 (de) 1994-06-23
DE68915376T2 true DE68915376T2 (de) 1994-08-25

Family

ID=17011014

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68915376T Expired - Fee Related DE68915376T2 (de) 1988-09-20 1989-09-19 Telezentrisches f-Theta Linsensystem.

Country Status (4)

Country Link
US (1) US4925279A (de)
EP (1) EP0360233B1 (de)
JP (1) JPH0679103B2 (de)
DE (1) DE68915376T2 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5055663A (en) * 1988-06-28 1991-10-08 Asahi Kogaku Kogyo Kabushiki Kaisha Optical scanning system and method for adjusting thereof
JPH07113706B2 (ja) * 1988-12-16 1995-12-06 大日本スクリーン製造株式会社 光ビーム走査用レンズ
US5247385A (en) * 1990-01-25 1993-09-21 Ricoh Company, Ltd. Fθ lens and lens for forming linear image
US5200861A (en) * 1991-09-27 1993-04-06 U.S. Precision Lens Incorporated Lens systems
DE4324849C2 (de) * 1993-07-23 1995-07-13 Schneider Rundfunkwerke Ag Videosystem zum Erzeugen eines Farbvideobilds auf einem Schirm
US5404247A (en) * 1993-08-02 1995-04-04 International Business Machines Corporation Telecentric and achromatic f-theta scan lens system and method of use
US5512949A (en) * 1993-12-29 1996-04-30 Xerox Corporation Multiple beam raster output scanner optical system having telecentric chief exit rays
US5625495A (en) * 1994-12-07 1997-04-29 U.S. Precision Lens Inc. Telecentric lens systems for forming an image of an object composed of pixels
US5841587A (en) * 1996-04-29 1998-11-24 U.S. Precision Lens Inc. LCD projection lens
US6289698B1 (en) * 1996-08-02 2001-09-18 Corning Incorporated Method of making a fiber preform with increases in alumina concentration at radial distances
DE19816487A1 (de) 1998-04-14 1999-10-21 Bodenseewerk Perkin Elmer Co Vorrichtung zum Nachweis eines Fluoreszenzfarbstoffs
US7122207B2 (en) * 1998-05-22 2006-10-17 Bristol-Myers Squibb Company High drug load acid labile pharmaceutical composition
US10054286B2 (en) 2014-07-04 2018-08-21 The United States Of America, As Represented By The Secretary Of Commerce, The National Insitute Of Standards And Technology Optical transformer, process for making and use of same
CN104317034B (zh) * 2014-09-10 2017-04-19 中国电子科技集团公司第四十五研究所 f‑theta光学镜头
CN109425962A (zh) * 2017-08-30 2019-03-05 上海微电子装备（集团）股份有限公司 一种用于激光加工的F-theta镜头
CN109507789B (zh) * 2018-12-28 2021-04-02 大族激光科技产业集团股份有限公司 一种用于激光加工的远心镜头、激光加工装置及加工方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1945977A (en) * 1925-03-23 1934-02-06 Keller Dorian Colorfilm Corp Color photography objective
JPS5553308A (en) * 1978-10-16 1980-04-18 Olympus Optical Co Ltd Lens for equal speed scanning
JPS59195211A (ja) * 1983-04-19 1984-11-06 Asahi Optical Co Ltd テレセントリツクな４枚構成のｆ−θレンズ系
US4755030A (en) * 1985-11-08 1988-07-05 Matsushita Electric Industrial Co., Ltd. Lens for facsimile or laser printer
JPH0812324B2 (ja) * 1986-06-20 1996-02-07 株式会社ニコン テレセントリツクｆθレンズ

Also Published As

Publication number Publication date
EP0360233A2 (de) 1990-03-28
JPH0679103B2 (ja) 1994-10-05
JPH0283511A (ja) 1990-03-23
EP0360233A3 (en) 1990-10-10
EP0360233B1 (de) 1994-05-18
DE68915376D1 (de) 1994-06-23
US4925279A (en) 1990-05-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee