GB9818768D0 - Circuit board assembly inspection - Google Patents

Circuit board assembly inspection

Info

Publication number
GB9818768D0
GB9818768D0 GBGB9818768.5A GB9818768A GB9818768D0 GB 9818768 D0 GB9818768 D0 GB 9818768D0 GB 9818768 A GB9818768 A GB 9818768A GB 9818768 D0 GB9818768 D0 GB 9818768D0
Authority
GB
United Kingdom
Prior art keywords
circuit board
board assembly
assembly inspection
inspection
circuit
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Withdrawn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
GBGB9818768.5A
Other versions
GB2334330A (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.)
Scientific Generics Ltd
Original Assignee
Scientific Generics 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 Scientific Generics Ltd filed Critical Scientific Generics Ltd
Publication of GB9818768D0 publication Critical patent/GB9818768D0/en
Priority to EP99904998A priority Critical patent/EP1076831A2/en
Priority to PCT/GB1999/000409 priority patent/WO1999041621A2/en
Priority to AU25311/99A priority patent/AU2531199A/en
Publication of GB2334330A publication Critical patent/GB2334330A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/28—Testing of electronic circuits, e.g. by signal tracer
    • G01R31/302—Contactless testing
    • G01R31/308—Contactless testing using non-ionising electromagnetic radiation, e.g. optical radiation
    • G01R31/309—Contactless testing using non-ionising electromagnetic radiation, e.g. optical radiation of printed or hybrid circuits or circuit substrates
    • 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
    • G01N21/956—Inspecting patterns on the surface of objects
    • G01N21/95607—Inspecting patterns on the surface of objects using a comparative method

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Toxicology (AREA)
  • General Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Image Input (AREA)
GB9818768A 1998-02-13 1998-08-27 Circuit board assembly inspection Withdrawn GB2334330A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP99904998A EP1076831A2 (en) 1998-02-13 1999-02-10 Circuit board assembly inspection
PCT/GB1999/000409 WO1999041621A2 (en) 1998-02-13 1999-02-10 Circuit board assembly inspection
AU25311/99A AU2531199A (en) 1998-02-13 1999-02-10 Circuit board assembly inspection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9803179.2A GB9803179D0 (en) 1998-02-13 1998-02-13 PCB Inspection system

Publications (2)

Publication Number Publication Date
GB9818768D0 true GB9818768D0 (en) 1998-10-21
GB2334330A GB2334330A (en) 1999-08-18

Family

ID=10827010

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9803179.2A Ceased GB9803179D0 (en) 1998-02-13 1998-02-13 PCB Inspection system
GB9818768A Withdrawn GB2334330A (en) 1998-02-13 1998-08-27 Circuit board assembly inspection

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB9803179.2A Ceased GB9803179D0 (en) 1998-02-13 1998-02-13 PCB Inspection system

Country Status (1)

Country Link
GB (2) GB9803179D0 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103364402A (en) * 2012-04-05 2013-10-23 川宝科技股份有限公司 System and method for judging assembling error of printed circuit board substrate
CN114998314B (en) * 2022-07-18 2022-10-11 启东旺晟电子科技有限公司 PCB defect detection method based on computer vision

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2143944B (en) * 1983-07-25 1986-12-03 Lloyd Doyle Ltd Inspection of printed wiring boards
IL79097A0 (en) * 1985-06-17 1986-09-30 Visionetics Corp Automatic optical inspection of printed circuit boards
EP0228963B1 (en) * 1985-12-27 1993-08-04 AT&T Corp. Linescan inspection system for circuit boards
IL78943A (en) * 1986-05-27 1990-09-17 Ibm Israel Method and apparatus for automated optical inspection of printed circuits
JPH0737892B2 (en) * 1988-01-12 1995-04-26 大日本スクリーン製造株式会社 Pattern defect inspection method
US5686944A (en) * 1994-03-02 1997-11-11 Seiko Epson Corporation Serial printer with hybrid print control of interlaced and minute feed printing
JPH08204096A (en) * 1995-01-30 1996-08-09 Nec Corp Method of lead visual inspection of semiconductor device and inspector

Also Published As

Publication number Publication date
GB2334330A (en) 1999-08-18
GB9803179D0 (en) 1998-04-08

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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)