GB847627A - Improvements in the manufacture of printed circuits - Google Patents

Improvements in the manufacture of printed circuits

Info

Publication number
GB847627A
GB847627A GB13610/57A GB1361057A GB847627A GB 847627 A GB847627 A GB 847627A GB 13610/57 A GB13610/57 A GB 13610/57A GB 1361057 A GB1361057 A GB 1361057A GB 847627 A GB847627 A GB 847627A
Authority
GB
United Kingdom
Prior art keywords
circuit pattern
backing
flush
insulating
pattern
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
GB13610/57A
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of GB847627A publication Critical patent/GB847627A/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
    • H05K3/10—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern
    • H05K3/107—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern by filling grooves in the support with conductive 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
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/03—Conductive materials
    • H05K2201/0332—Structure of the conductor
    • H05K2201/0364—Conductor shape
    • H05K2201/0376—Flush conductors, i.e. flush with the surface of the printed circuit
    • 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
    • H05K2203/02—Details related to mechanical or acoustic processing, e.g. drilling, punching, cutting, using ultrasound
    • H05K2203/0278—Flat pressure, e.g. for connecting terminals with anisotropic conductive adhesive
    • 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
    • H05K3/0058—Laminating printed circuit boards onto other substrates, e.g. metallic substrates

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Manufacturing Of Printed Wiring (AREA)
  • Non-Metallic Protective Coatings For Printed Circuits (AREA)

Abstract

847,627. Laminates. INTERNATIONAL BUSINESS MACHINES CORPORATION. April 29, 1957 [May 1, 1956], No. 13610/57. Class 140. [Also in Groups XV and XXXVI] A flush circuit pattern on an insulating backing is formed by a method comprising the steps of providing a circuit pattern (2) on one side of the insulating backing (1), supporting the insulating backing in a configuration that is a negative of the circuit pattern, and pressing the circuit pattern flush with the surface of the insulating backing. The circuit pattern and the supporting configuration (3) may be formed as shown in the foil on opposite sides of a sheet of foil-clad laminate having a central insulating layer. The insulating backing may be a sheet of phenolic resin, and may be provided with a bonded layer of copper foil on each side. Using the known photo-etch process, the positive circuit pattern may be produced on one side of the backing, and the negative pattern on the other. After the circuit pattern has been pressed flush, the negative pattern may be removed by known methods, e.g. abrasion, or may be left on. The technique may also be employed in any situation where a design of, a material is brought into flush relationship with a backing material.
GB13610/57A 1956-05-01 1957-04-29 Improvements in the manufacture of printed circuits Expired GB847627A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US847627XA 1956-05-01 1956-05-01

Publications (1)

Publication Number Publication Date
GB847627A true GB847627A (en) 1960-09-14

Family

ID=22187061

Family Applications (1)

Application Number Title Priority Date Filing Date
GB13610/57A Expired GB847627A (en) 1956-05-01 1957-04-29 Improvements in the manufacture of printed circuits

Country Status (1)

Country Link
GB (1) GB847627A (en)

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