GB1226102A - - Google Patents

Info

Publication number
GB1226102A
GB1226102A GB1226102DA GB1226102A GB 1226102 A GB1226102 A GB 1226102A GB 1226102D A GB1226102D A GB 1226102DA GB 1226102 A GB1226102 A GB 1226102A
Authority
GB
United Kingdom
Prior art keywords
conductor
drilling
hole
conductors
april
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
Other languages
English (en)
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 filed Critical
Publication of GB1226102A publication Critical patent/GB1226102A/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
    • H05K3/0044—Mechanical working of the substrate, e.g. drilling or punching
    • H05K3/0047—Drilling of holes
    • 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
    • H05K3/02—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding
    • H05K3/022—Processes for manufacturing precursors of printed circuits, i.e. copper-clad substrates
    • H05K3/025—Processes for manufacturing precursors of printed circuits, i.e. copper-clad substrates by transfer of thin metal foil formed on a temporary carrier, e.g. peel-apart copper
    • 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
    • H05K2203/13—Moulding and encapsulation; Deposition techniques; Protective layers
    • H05K2203/1377—Protective layers
    • H05K2203/1388—Temporary protective conductive 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
    • 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
    • H05K3/427—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 metal-clad substrates

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Printing Elements For Providing Electric Connections Between Printed Circuits (AREA)
GB1226102D 1967-04-21 1967-04-21 Expired GB1226102A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1844367 1967-04-21

Publications (1)

Publication Number Publication Date
GB1226102A true GB1226102A (enrdf_load_stackoverflow) 1971-03-24

Family

ID=10112520

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1226102D Expired GB1226102A (enrdf_load_stackoverflow) 1967-04-21 1967-04-21

Country Status (1)

Country Link
GB (1) GB1226102A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2267784A (en) * 1992-06-11 1993-12-15 John Frederick David Knopp Method of making a plated through hole printed circuit board

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2267784A (en) * 1992-06-11 1993-12-15 John Frederick David Knopp Method of making a plated through hole printed circuit board
GB2267784B (en) * 1992-06-11 1995-11-01 John Frederick David Knopp Method of making a printed circuit board

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees