GB2058395B - Directional high-cut spatial frequency filter - Google Patents

Directional high-cut spatial frequency filter

Info

Publication number
GB2058395B
GB2058395B GB8027602A GB8027602A GB2058395B GB 2058395 B GB2058395 B GB 2058395B GB 8027602 A GB8027602 A GB 8027602A GB 8027602 A GB8027602 A GB 8027602A GB 2058395 B GB2058395 B GB 2058395B
Authority
GB
United Kingdom
Prior art keywords
spatial frequency
frequency filter
directional high
cut spatial
cut
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
Application number
GB8027602A
Other versions
GB2058395A (en
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.)
Dai Nippon Printing Co Ltd
National Institute of Advanced Industrial Science and Technology AIST
Original Assignee
Agency of Industrial Science and Technology
Dai Nippon Printing 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 Agency of Industrial Science and Technology, Dai Nippon Printing Co Ltd filed Critical Agency of Industrial Science and Technology
Publication of GB2058395A publication Critical patent/GB2058395A/en
Application granted granted Critical
Publication of GB2058395B publication Critical patent/GB2058395B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
    • G03F7/70—Microphotolithographic exposure; Apparatus therefor
    • G03F7/70483—Information management; Active and passive control; Testing; Wafer monitoring, e.g. pattern monitoring
    • G03F7/70605—Workpiece metrology
    • G03F7/70616—Monitoring the printed patterns
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
    • G02B27/46—Systems using spatial filters
GB8027602A 1979-08-28 1980-08-26 Directional high-cut spatial frequency filter Expired GB2058395B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10864779A JPS6027964B2 (en) 1979-08-28 1979-08-28 Directional high-cut spatial frequency filter

Publications (2)

Publication Number Publication Date
GB2058395A GB2058395A (en) 1981-04-08
GB2058395B true GB2058395B (en) 1983-04-27

Family

ID=14490098

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8027602A Expired GB2058395B (en) 1979-08-28 1980-08-26 Directional high-cut spatial frequency filter

Country Status (4)

Country Link
JP (1) JPS6027964B2 (en)
DE (1) DE3031816A1 (en)
FR (1) FR2464495B1 (en)
GB (1) GB2058395B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58158921A (en) * 1982-03-16 1983-09-21 Dainippon Printing Co Ltd Defect inspection apparatus of regular pattern
JPS608823A (en) * 1983-06-29 1985-01-17 Hamamatsu Photonics Kk Spatial optical modulator
JPH0827443B2 (en) * 1986-10-16 1996-03-21 オリンパス光学工業株式会社 Shuriren optical device
JPH0682102B2 (en) * 1987-02-27 1994-10-19 三菱電機株式会社 Pattern defect inspection device and pattern defect inspection method
FR2641928B1 (en) * 1989-01-17 1996-09-13 Thomson Csf IMAGE PROJECTION DEVICE
JPH0755741Y2 (en) * 1991-01-25 1995-12-20 富士通テン株式会社 Floating lock mechanism for disc player

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3614232A (en) * 1968-11-25 1971-10-19 Ibm Pattern defect sensing using error free blocking spacial filter
US4000949A (en) * 1969-09-15 1977-01-04 Western Electric Company, Inc. Photomask inspection by optical spatial filtering
US3790280A (en) * 1972-05-03 1974-02-05 Western Electric Co Spatial filtering system utilizing compensating elements
JPS5324301B2 (en) * 1974-09-09 1978-07-20
JPS5276088A (en) * 1975-12-22 1977-06-25 Toshiba Corp System for inspecting defects of pattern having directivity

Also Published As

Publication number Publication date
GB2058395A (en) 1981-04-08
FR2464495B1 (en) 1986-05-16
DE3031816C2 (en) 1990-06-28
JPS5633621A (en) 1981-04-04
DE3031816A1 (en) 1981-03-19
JPS6027964B2 (en) 1985-07-02
FR2464495A1 (en) 1981-03-06

Similar Documents

Publication Publication Date Title
IL59799A0 (en) Frequency moldulator
JPS5616120A (en) Directional*fronttsurface projectorrscreen
GB2055225B (en) Filter
GB2039419B (en) High frequency filter
JPS5631419A (en) Filter
GB2056781B (en) Antenna arrangements
JPS55127721A (en) Transfersal filter
JPS5588403A (en) High frequency filter
GB2064892B (en) Frequency multipliers
GB2058395B (en) Directional high-cut spatial frequency filter
GB2063568B (en) Antenna
EP0024876A3 (en) Stripe-color filter
GB2066599B (en) Frequency demodulator
JPS5645718A (en) Magnetic filter
JPS55151803A (en) Frequency multiplier
JPS55133122A (en) Low pass filter
GB2098590B (en) Filter aid
GB2054275B (en) Antenna
JPS565112A (en) Filter
GB2059684B (en) Directional antenna
JPS5691818A (en) Filter
JPS55117893A (en) High frequency heater
GB2040588B (en) Antenna
JPS5636961A (en) Filter
JPS55111089A (en) High frequency heater

Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 20000825