ZA725894B - Improvements in or relating to printed circuit boards - Google Patents

Improvements in or relating to printed circuit boards

Info

Publication number
ZA725894B
ZA725894B ZA725894A ZA725894A ZA725894B ZA 725894 B ZA725894 B ZA 725894B ZA 725894 A ZA725894 A ZA 725894A ZA 725894 A ZA725894 A ZA 725894A ZA 725894 B ZA725894 B ZA 725894B
Authority
ZA
South Africa
Prior art keywords
relating
printed circuit
circuit boards
boards
printed
Prior art date
Application number
ZA725894A
Other languages
English (en)
Inventor
E Hebenstreit
Original Assignee
Siemens Ag
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
Priority claimed from DE19712144078 external-priority patent/DE2144078C3/de
Application filed by Siemens Ag filed Critical Siemens Ag
Publication of ZA725894B publication Critical patent/ZA725894B/xx

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
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/46—Manufacturing multilayer circuits
    • H05K3/4685—Manufacturing of cross-over conductors

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Production Of Multi-Layered Print Wiring Board (AREA)
  • Manufacturing Of Printed Wiring (AREA)
  • Combinations Of Printed Boards (AREA)
  • Non-Metallic Protective Coatings For Printed Circuits (AREA)
ZA725894A 1971-09-02 1972-08-28 Improvements in or relating to printed circuit boards ZA725894B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712144078 DE2144078C3 (de) 1971-09-02 Leiterplatte mit Uberkreuzungen

Publications (1)

Publication Number Publication Date
ZA725894B true ZA725894B (en) 1973-05-30

Family

ID=5818529

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA725894A ZA725894B (en) 1971-09-02 1972-08-28 Improvements in or relating to printed circuit boards

Country Status (13)

Country Link
US (1) US3816195A (de)
JP (1) JPS4835362A (de)
AR (1) AR192815A1 (de)
AT (1) AT337292B (de)
BE (1) BE788320A (de)
CH (1) CH548146A (de)
FR (1) FR2151020A1 (de)
GB (1) GB1385732A (de)
IT (1) IT964325B (de)
LU (1) LU65991A1 (de)
NL (1) NL7211416A (de)
SE (1) SE398036B (de)
ZA (1) ZA725894B (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2546736C3 (de) * 1975-10-17 1980-07-31 Siemens Ag, 1000 Berlin Und 8000 Muenchen Diskretes Überkreuzungschip für einzelne Leiterbahnüberkreuzungen bei Hybridschaltungen und Verfahren zu seiner Herstellung
DE7624175U1 (de) * 1976-07-31 1976-11-25 Wilhelm Ruf Kg, 8000 Muenchen Tastatur
GB2227887A (en) * 1988-12-24 1990-08-08 Technology Applic Company Limi Making printed circuits
US5089687A (en) * 1990-10-02 1992-02-18 Ppg Industries, Inc. Bus bar jumper for heatable windshield
US5408742A (en) * 1991-10-28 1995-04-25 Martin Marietta Corporation Process for making air bridges for integrated circuits
TW340296B (en) * 1997-02-21 1998-09-11 Ricoh Microelectronics Kk Method and apparatus of concave plate printing, method and apparatus for formation of wiring diagram, the contact electrode and the printed wiring nickel substrate

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3366519A (en) * 1964-01-20 1968-01-30 Texas Instruments Inc Process for manufacturing multilayer film circuits
US3395040A (en) * 1965-01-06 1968-07-30 Texas Instruments Inc Process for fabricating cryogenic devices
GB1143957A (en) * 1965-07-13 1969-02-26 Int Computers Ltd Improvements in or relating to electrical circuit structures
US3700445A (en) * 1971-07-29 1972-10-24 Us Navy Photoresist processing method for fabricating etched microcircuits

Also Published As

Publication number Publication date
NL7211416A (de) 1973-03-06
SE398036B (sv) 1977-11-28
JPS4835362A (de) 1973-05-24
US3816195A (en) 1974-06-11
GB1385732A (en) 1975-02-26
FR2151020A1 (de) 1973-04-13
CH548146A (de) 1974-04-11
AT337292B (de) 1977-06-27
ATA686772A (de) 1976-10-15
DE2144078B2 (de) 1975-03-06
AR192815A1 (es) 1973-03-14
LU65991A1 (de) 1973-03-12
DE2144078A1 (de) 1973-03-15
IT964325B (it) 1974-01-21
BE788320A (fr) 1973-03-01

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