GB1425373A - Thick film electrical circuits - Google Patents

Thick film electrical circuits

Info

Publication number
GB1425373A
GB1425373A GB2267773A GB2267773A GB1425373A GB 1425373 A GB1425373 A GB 1425373A GB 2267773 A GB2267773 A GB 2267773A GB 2267773 A GB2267773 A GB 2267773A GB 1425373 A GB1425373 A GB 1425373A
Authority
GB
United Kingdom
Prior art keywords
thick film
holes
conductive material
layers
electrical circuits
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
GB2267773A
Other languages
English (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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of GB1425373A publication Critical patent/GB1425373A/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
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/0011—Working of insulating substrates or insulating layers
    • H05K3/0017—Etching of the substrate by chemical or physical means
    • H05K3/0026—Etching of the substrate by chemical or physical means by laser ablation
    • H05K3/0029—Etching of the substrate by chemical or physical means by laser ablation of inorganic insulating material
    • 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
    • H05K1/0286—Programmable, customizable or modifiable circuits
    • H05K1/0287—Programmable, customizable or modifiable circuits having an universal lay-out, e.g. pad or land grid patterns or mesh patterns
    • H05K1/0289—Programmable, customizable or modifiable circuits having an universal lay-out, e.g. pad or land grid patterns or mesh patterns having a matrix lay-out, i.e. having selectively interconnectable sets of X-conductors and Y-conductors in different planes
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
    • H10D84/01—Manufacture or treatment
    • 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
    • H05K3/4644—Manufacturing multilayer circuits by building the multilayer layer by layer, i.e. build-up multilayer circuits
    • H05K3/4664—Adding a circuit layer by thick film methods, e.g. printing techniques or by other techniques for making conductive patterns by using pastes, inks or powders

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Manufacturing & Machinery (AREA)
  • Design And Manufacture Of Integrated Circuits (AREA)
  • Production Of Multi-Layered Print Wiring Board (AREA)
GB2267773A 1972-05-18 1973-05-11 Thick film electrical circuits Expired GB1425373A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE651572 1972-05-18

Publications (1)

Publication Number Publication Date
GB1425373A true GB1425373A (en) 1976-02-18

Family

ID=20268883

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2267773A Expired GB1425373A (en) 1972-05-18 1973-05-11 Thick film electrical circuits

Country Status (3)

Country Link
DE (1) DE2324006A1 (https=)
FR (1) FR2184977B1 (https=)
GB (1) GB1425373A (https=)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4227039A (en) 1977-10-24 1980-10-07 Asahi Kasei Kogyo Kabushiki Kaisha Thin-film microcircuit board
US4258468A (en) * 1978-12-14 1981-03-31 Western Electric Company, Inc. Forming vias through multilayer circuit boards
US4667404A (en) * 1985-09-30 1987-05-26 Microelectronics Center Of North Carolina Method of interconnecting wiring planes
US4764644A (en) * 1985-09-30 1988-08-16 Microelectronics Center Of North Carolina Microelectronics apparatus

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE631489A (https=) * 1962-04-27
US3561110A (en) * 1967-08-31 1971-02-09 Ibm Method of making connections and conductive paths

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4227039A (en) 1977-10-24 1980-10-07 Asahi Kasei Kogyo Kabushiki Kaisha Thin-film microcircuit board
US4258468A (en) * 1978-12-14 1981-03-31 Western Electric Company, Inc. Forming vias through multilayer circuit boards
US4667404A (en) * 1985-09-30 1987-05-26 Microelectronics Center Of North Carolina Method of interconnecting wiring planes
US4764644A (en) * 1985-09-30 1988-08-16 Microelectronics Center Of North Carolina Microelectronics apparatus

Also Published As

Publication number Publication date
FR2184977B1 (https=) 1977-02-11
FR2184977A1 (https=) 1973-12-28
AU5523573A (en) 1974-11-07
DE2324006A1 (de) 1973-12-06

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee