GB9606311D0 - Optical test device - Google Patents

Optical test device

Info

Publication number
GB9606311D0
GB9606311D0 GBGB9606311.0A GB9606311A GB9606311D0 GB 9606311 D0 GB9606311 D0 GB 9606311D0 GB 9606311 A GB9606311 A GB 9606311A GB 9606311 D0 GB9606311 D0 GB 9606311D0
Authority
GB
United Kingdom
Prior art keywords
test device
optical test
optical
test
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.)
Withdrawn
Application number
GBGB9606311.0A
Other versions
GB2300913A (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.)
Basler GmbH
Original Assignee
Basler GmbH
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 Basler GmbH filed Critical Basler GmbH
Publication of GB9606311D0 publication Critical patent/GB9606311D0/en
Publication of GB2300913A publication Critical patent/GB2300913A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/002—Recording, reproducing or erasing systems characterised by the shape or form of the carrier
    • G11B7/0037—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with discs
    • G11B7/00375—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with discs arrangements for detection of physical defects, e.g. of recording layer
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • G01N21/9506—Optical discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
GB9606311A 1995-03-27 1996-03-26 Optical surface testing Withdrawn GB2300913A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1995111196 DE19511196A1 (en) 1995-03-27 1995-03-27 Optical test device

Publications (2)

Publication Number Publication Date
GB9606311D0 true GB9606311D0 (en) 1996-05-29
GB2300913A GB2300913A (en) 1996-11-20

Family

ID=7757875

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9606311A Withdrawn GB2300913A (en) 1995-03-27 1996-03-26 Optical surface testing

Country Status (2)

Country Link
DE (1) DE19511196A1 (en)
GB (1) GB2300913A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111880321A (en) * 2020-08-13 2020-11-03 福建师范大学 Self-adaptive parallelism adjusting system

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10004889B4 (en) * 2000-02-05 2004-05-27 Basler Ag Method and device for optically recognizing local deformations, in particular bubbles, in an object
DE102004029014B4 (en) * 2004-06-16 2006-06-22 Leica Microsystems Semiconductor Gmbh Method and system for inspecting a wafer

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63153455A (en) * 1986-12-18 1988-06-25 Yokogawa Electric Corp Optical disk testing system
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
JPH01310485A (en) * 1988-06-08 1989-12-14 Dainippon Printing Co Ltd Defect information detecting device
JPH0776757B2 (en) * 1990-12-14 1995-08-16 インターナショナル・ビジネス・マシーンズ・コーポレイション Optical inspection device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111880321A (en) * 2020-08-13 2020-11-03 福建师范大学 Self-adaptive parallelism adjusting system

Also Published As

Publication number Publication date
DE19511196A1 (en) 1996-10-02
GB2300913A (en) 1996-11-20

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)