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)
  • Manufacturing Of Printed Wiring (AREA)
  • Production Of Multi-Layered Print Wiring Board (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 (enExample)
JP (1) JPS4835362A (enExample)
AR (1) AR192815A1 (enExample)
AT (1) AT337292B (enExample)
BE (1) BE788320A (enExample)
CH (1) CH548146A (enExample)
FR (1) FR2151020A1 (enExample)
GB (1) GB1385732A (enExample)
IT (1) IT964325B (enExample)
LU (1) LU65991A1 (enExample)
NL (1) NL7211416A (enExample)
SE (1) SE398036B (enExample)
ZA (1) ZA725894B (enExample)

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

Similar Documents

Publication Publication Date Title
MY7800456A (en) Improvements in and relating to printed circuit boards
HK78579A (en) Improvements in or relating to circuit board pins
ZA763459B (en) Improvements in or relating to multilayer printed circuit boards
HK15077A (en) Improvements in or relating to electronic timepieces
CA985757A (en) Printed circuit board connector
CA945647A (en) Printed circuit board connector
HK41076A (en) Improvements in or relating to electronic timepieces
HK42076A (en) Improvements in or relating to electronic timepieces
ZA745865B (en) Improvements in or relating to board games
HK40976A (en) Improvements in or relating to electronic timepieces
HK43776A (en) Improvements in or relating to electronic timepieces
HK78279A (en) Improvements in or relating to circuit board sockets
MY7500228A (en) Improvements in or relating to actuating mechanisms for electrical circuit components
ZA725894B (en) Improvements in or relating to printed circuit boards
ZA763980B (en) Improvements in or relating to multilayer printed circuit boards
HK43976A (en) Improvements in or relating to flip-flop circuits
HK63078A (en) Improvements in and relating to printed circuit board materials
ZA703415B (en) Improvements in or relating to mounting devices for printed circuit boards
ZA706172B (en) Printed circuit boards
ZA724726B (en) Improvements in or relating to telephone circuits
ZA74311B (en) Improvements in or relating to printed circuit boards
JPS5322134A (en) Printed circuit board
HK7379A (en) Connector for printed circuit board
ZA728078B (en) Improvements in or relating to circuits for electronic a.c.wattmeters
ZA723803B (en) Improvements in circuit arrangements