GB2182207B - Electrical circuit identification - Google Patents

Electrical circuit identification

Info

Publication number
GB2182207B
GB2182207B GB08526567A GB8526567A GB2182207B GB 2182207 B GB2182207 B GB 2182207B GB 08526567 A GB08526567 A GB 08526567A GB 8526567 A GB8526567 A GB 8526567A GB 2182207 B GB2182207 B GB 2182207B
Authority
GB
United Kingdom
Prior art keywords
electrical circuit
circuit identification
identification
electrical
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.)
Expired
Application number
GB08526567A
Other versions
GB8526567D0 (en
GB2182207A (en
Inventor
Christopher John Purchase
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.)
Marconi Instruments Ltd
Original Assignee
Marconi Instruments 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 Marconi Instruments Ltd filed Critical Marconi Instruments Ltd
Priority to GB08526567A priority Critical patent/GB2182207B/en
Publication of GB8526567D0 publication Critical patent/GB8526567D0/en
Publication of GB2182207A publication Critical patent/GB2182207A/en
Application granted granted Critical
Publication of GB2182207B publication Critical patent/GB2182207B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/0266—Marks, test patterns or identification means
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/18—Printed circuits structurally associated with non-printed electric components
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/08—Magnetic details
    • H05K2201/083—Magnetic materials
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/09—Shape and layout
    • H05K2201/09818—Shape or layout details not covered by a single group of H05K2201/09009 - H05K2201/09809
    • H05K2201/09927—Machine readable code, e.g. bar code

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Structure Of Printed Boards (AREA)
GB08526567A 1985-10-29 1985-10-29 Electrical circuit identification Expired GB2182207B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08526567A GB2182207B (en) 1985-10-29 1985-10-29 Electrical circuit identification

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08526567A GB2182207B (en) 1985-10-29 1985-10-29 Electrical circuit identification

Publications (3)

Publication Number Publication Date
GB8526567D0 GB8526567D0 (en) 1985-12-04
GB2182207A GB2182207A (en) 1987-05-07
GB2182207B true GB2182207B (en) 1988-12-14

Family

ID=10587374

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08526567A Expired GB2182207B (en) 1985-10-29 1985-10-29 Electrical circuit identification

Country Status (1)

Country Link
GB (1) GB2182207B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2844857B2 (en) * 1990-06-21 1999-01-13 ソニー株式会社 Manufacturing equipment for hybrid integrated circuits
DK143095A (en) * 1995-12-15 1997-06-16 Memory Card Technology A S Anti-theft of memory products
SE9701579L (en) * 1997-04-25 1998-05-11 Cure Ab C Ways to steal a computer
US6817527B2 (en) * 2002-06-28 2004-11-16 Nokia Corporation Carriers for printed circuit board marking

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3572400A (en) * 1967-08-31 1971-03-23 Western Electric Co Dispensing of fluids to small areas
US3583561A (en) * 1968-12-19 1971-06-08 Transistor Automation Corp Die sorting system
IL45626A (en) * 1973-10-09 1976-10-31 Hughes Aircraft Co Hybrid microcircuit fabrication aid
DE3122984A1 (en) * 1981-06-10 1983-01-27 Siemens AG, 1000 Berlin und 8000 München METHOD FOR LABELING SEMICONDUCTOR CHIPS AND LABELABLE LADDER CHIP
DE3123031A1 (en) * 1981-06-10 1983-01-05 Siemens AG, 1000 Berlin und 8000 München METHOD FOR LABELING SEMICONDUCTOR CHIPS AND LABELABLE SEMICONDUCTOR CHIP

Also Published As

Publication number Publication date
GB8526567D0 (en) 1985-12-04
GB2182207A (en) 1987-05-07

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee