GB2143944B - Inspection of printed wiring boards - Google Patents

Inspection of printed wiring boards

Info

Publication number: GB2143944B
Authority: GB; United Kingdom
Prior art keywords: inspection; printed wiring; wiring boards; boards; printed
Prior art date: 1983-07-25
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

GB08418520A

Other versions

GB8418520D0 (en

GB2143944A (en

Inventor

Keith Gilbert Doyle

Roy Anthony Lloyd

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.)

Lloyd Doyle Ltd

Original Assignee

Lloyd Doyle 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.)

1983-07-25

Filing date

1984-07-20

Publication date

1986-12-03

1983-07-25 Priority claimed from GB838320016A external-priority patent/GB8320016D0/en

1984-07-20 Application filed by Lloyd Doyle Ltd filed Critical Lloyd Doyle Ltd

1984-07-20 Priority to GB08418520A priority Critical patent/GB2143944B/en

1984-08-22 Publication of GB8418520D0 publication Critical patent/GB8418520D0/en

1985-02-20 Publication of GB2143944A publication Critical patent/GB2143944A/en

1986-12-03 Application granted granted Critical

1986-12-03 Publication of GB2143944B publication Critical patent/GB2143944B/en

Status Expired legal-status Critical Current

Classifications

- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/0002—Inspection of images, e.g. flaw detection
- G06T7/0004—Industrial image inspection
- G06T7/0006—Industrial image inspection using a design-rule based approach
- 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
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30108—Industrial image inspection
- G06T2207/30141—Printed circuit board [PCB]

Landscapes

Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Health & Medical Sciences (AREA)
Computer Vision & Pattern Recognition (AREA)
Theoretical Computer Science (AREA)
Quality & Reliability (AREA)
Life Sciences & Earth Sciences (AREA)
Chemical & Material Sciences (AREA)
Analytical Chemistry (AREA)
Biochemistry (AREA)
General Health & Medical Sciences (AREA)
Immunology (AREA)
Pathology (AREA)
Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)

GB08418520A 1983-07-25 1984-07-20 Inspection of printed wiring boards Expired GB2143944B (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
GB08418520A GB2143944B (en)	1983-07-25	1984-07-20	Inspection of printed wiring boards

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB838320016A GB8320016D0 (en)	1983-07-25	1983-07-25	Apparatus for inspecting printed wiring boards
GB08418520A GB2143944B (en)	1983-07-25	1984-07-20	Inspection of printed wiring boards

Publications (3)

Publication Number	Publication Date
GB8418520D0 GB8418520D0 (en)	1984-08-22
GB2143944A GB2143944A (en)	1985-02-20
GB2143944B true GB2143944B (en)	1986-12-03

Family

ID=26286684

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB08418520A Expired GB2143944B (en)	1983-07-25	1984-07-20	Inspection of printed wiring boards

Country Status (1)

Country	Link
GB (1)	GB2143944B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2604264B1 (en) *	1986-09-24	1990-12-28	Primat Didier	METHOD AND DEVICE FOR AIDING THE DEVELOPMENT AND ADJUSTMENT OF THE OPERATING PARAMETERS OF AN OPTICAL INSPECTION DEVICE WITH A LINEAR CAMERA
GB8811005D0 (en) *	1988-05-10	1988-06-15	Plessey Co Plc	Improvements in/relating to methods/registration
US5197105A (en) *	1990-05-30	1993-03-23	Dainippon Screen Mfg. Co. Ltd.	Method of reading optical image of inspected surface and image reading system employabale therein
JPH0786466B2 (en) *	1990-07-18	1995-09-20	大日本スクリーン製造株式会社	Printed circuit board pattern inspection device
JPH10107500A (en) *	1996-09-24	1998-04-24	Daewoo Electron Co Ltd	Method and device for inspecting insert state of part at printed circuit board
GB9803179D0 (en) *	1998-02-13	1998-04-08	Scient Generics Ltd	PCB Inspection system
GB2362459A (en) *	2000-05-16	2001-11-21	Lloyd Doyle Ltd	Method and apparatus for inspection of printed wiring boards
CN115372793B (en) *	2022-08-09	2023-04-07	铜陵威博电子科技有限公司	Circuit detection method for integrated circuit

1984
- 1984-07-20 GB GB08418520A patent/GB2143944B/en not_active Expired

Also Published As

Publication number	Publication date
GB8418520D0 (en)	1984-08-22
GB2143944A (en)	1985-02-20

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Legal Events

Date	Code	Title	Description
2004-08-11	PE20	Patent expired after termination of 20 years	Effective date: 20040719