FR1446381A - Improvements to printed circuits - Google Patents

Improvements to printed circuits

Info

Publication number
FR1446381A
FR1446381A FR19887A FR19887A FR1446381A FR 1446381 A FR1446381 A FR 1446381A FR 19887 A FR19887 A FR 19887A FR 19887 A FR19887 A FR 19887A FR 1446381 A FR1446381 A FR 1446381A
Authority
FR
France
Prior art keywords
printed circuits
printed
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
FR19887A
Other languages
French (fr)
Inventor
Paul Charles Lucien Gaulard
Andre Oddon
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.)
Laboratoire Central de Telecommunications SA
Original Assignee
Laboratoire Central de Telecommunications SA
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 Laboratoire Central de Telecommunications SA filed Critical Laboratoire Central de Telecommunications SA
Priority to FR19887A priority Critical patent/FR1446381A/en
Priority to GB2478666A priority patent/GB1112996A/en
Application granted granted Critical
Publication of FR1446381A publication Critical patent/FR1446381A/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
    • H05K3/22—Secondary treatment of printed circuits
    • H05K3/24—Reinforcing the conductive pattern
    • H05K3/244—Finish plating of conductors, especially of copper conductors, e.g. for pads or lands
    • 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
    • H05K3/40—Forming printed elements for providing electric connections to or between printed circuits
    • H05K3/42—Plated through-holes or plated via connections
    • H05K3/425—Plated through-holes or plated via connections characterised by the sequence of steps for plating the through-holes or via connections in relation to the conductive pattern
    • H05K3/428—Plated through-holes or plated via connections characterised by the sequence of steps for plating the through-holes or via connections in relation to the conductive pattern initial plating of through-holes in substrates having a metal pattern
    • 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
    • H05K2201/03—Conductive materials
    • H05K2201/0332—Structure of the conductor
    • H05K2201/0335—Layered conductors or foils
    • H05K2201/0338—Layered conductor, e.g. layered metal substrate, layered finish layer, layered thin film adhesion layer
    • 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
    • H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
    • H05K2203/07—Treatments involving liquids, e.g. plating, rinsing
    • H05K2203/0703—Plating
    • H05K2203/072—Electroless plating, e.g. finish plating or initial plating
    • 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
    • H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
    • H05K2203/07—Treatments involving liquids, e.g. plating, rinsing
    • H05K2203/0703—Plating
    • H05K2203/0723—Electroplating, e.g. finish plating
    • 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
    • H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
    • H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
    • H05K3/328—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by welding

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Parts Printed On Printed Circuit Boards (AREA)
  • Production Of Multi-Layered Print Wiring Board (AREA)
FR19887A 1965-06-08 1965-06-08 Improvements to printed circuits Expired FR1446381A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR19887A FR1446381A (en) 1965-06-08 1965-06-08 Improvements to printed circuits
GB2478666A GB1112996A (en) 1965-06-08 1966-06-03 Printed circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR19887A FR1446381A (en) 1965-06-08 1965-06-08 Improvements to printed circuits

Publications (1)

Publication Number Publication Date
FR1446381A true FR1446381A (en) 1966-07-22

Family

ID=8581170

Family Applications (1)

Application Number Title Priority Date Filing Date
FR19887A Expired FR1446381A (en) 1965-06-08 1965-06-08 Improvements to printed circuits

Country Status (2)

Country Link
FR (1) FR1446381A (en)
GB (1) GB1112996A (en)

Also Published As

Publication number Publication date
GB1112996A (en) 1968-05-08

Similar Documents

Publication Publication Date Title
FR1514687A (en) Improvements to electronic taximeters
FR1477144A (en) Improvements to electrical timing circuits
BR6459225D0 (en) ELECTRONIC CONNECTION
FR1455060A (en) Improvements to simulators
GB1120583A (en) Improvements relating to printed circuits
FR1528918A (en) Improvements to printed circuits
FR1517061A (en) Improvements to printed circuits
FR1430276A (en) Improvements to tube-packaging
FR1449653A (en) Improvements to insulating boards carrying printed circuits
FR1533976A (en) Improvements to printed circuits
FR1424368A (en) Improvements to electronic watches
FR1446381A (en) Improvements to printed circuits
FR1456604A (en) Improvements to electronic tubes
FR1472182A (en) Improvements to printed circuits
FR1294087A (en) Improvements to printed circuits
FR1477597A (en) Improvements to multiplication circuits
FR1347869A (en) Improvements to printed circuits
FR1460010A (en) Improvements to logic circuits
FR1368316A (en) Improvements to frequency-metric circuits
FR89373E (en) Improvements made to circuit breakers
FR1430333A (en) Improvements made to circuit breakers
FR1474386A (en) Improvements to division circuits
FR1346876A (en) Printed switch
FR1475807A (en) Improvements to oscillating circuits
FR1394453A (en) Stencil