FR2055444A5 - - Google Patents

Info

Publication number
FR2055444A5
FR2055444A5 FR7026959A FR7026959A FR2055444A5 FR 2055444 A5 FR2055444 A5 FR 2055444A5 FR 7026959 A FR7026959 A FR 7026959A FR 7026959 A FR7026959 A FR 7026959A FR 2055444 A5 FR2055444 A5 FR 2055444A5
Authority
FR
France
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
FR7026959A
Other languages
French (fr)
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Application granted granted Critical
Publication of FR2055444A5 publication Critical patent/FR2055444A5/fr
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
    • H05K3/46—Manufacturing multilayer circuits
    • H05K3/4644—Manufacturing multilayer circuits by building the multilayer layer by layer, i.e. build-up multilayer circuits
    • 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
    • H05K1/0213—Electrical arrangements not otherwise provided for
    • H05K1/0254—High voltage adaptations; Electrical insulation details; Overvoltage or electrostatic discharge protection ; Arrangements for regulating voltages or for using plural voltages
    • H05K1/0256—Electrical insulation details, e.g. around high voltage areas
    • 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
    • H05K2201/01—Dielectrics
    • H05K2201/0104—Properties and characteristics in general
    • H05K2201/0116—Porous, e.g. foam
    • 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
    • H05K2203/11—Treatments characterised by their effect, e.g. heating, cooling, roughening
    • H05K2203/1184—Underetching, e.g. etching of substrate under conductors or etching of conductor under dielectrics; Means for allowing or controlling underetching
    • 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
    • H05K3/06—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 the conductive material being removed chemically or electrolytically, e.g. by photo-etch process

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Production Of Multi-Layered Print Wiring Board (AREA)
  • Manufacturing Of Printed Circuit Boards (AREA)
FR7026959A 1969-07-23 1970-07-22 Expired FR2055444A5 (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5767269 1969-07-23

Publications (1)

Publication Number Publication Date
FR2055444A5 true FR2055444A5 (enExample) 1971-05-07

Family

ID=13062389

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7026959A Expired FR2055444A5 (enExample) 1969-07-23 1970-07-22

Country Status (3)

Country Link
DE (1) DE2036177B2 (enExample)
FR (1) FR2055444A5 (enExample)
GB (1) GB1258689A (enExample)

Also Published As

Publication number Publication date
DE2036177A1 (de) 1971-02-11
GB1258689A (enExample) 1971-12-30
DE2036177B2 (de) 1972-02-10

Similar Documents

Publication Publication Date Title
AU2270770A (enExample)
AU465452B2 (enExample)
AU429630B2 (enExample)
AU5461069A (enExample)
AU442375B2 (enExample)
AU2355770A (enExample)
AU427401B2 (enExample)
AU470301B1 (enExample)
AU428131B2 (enExample)
AU442285B2 (enExample)
FR2055444A5 (enExample)
AU425297B2 (enExample)
AU417208B2 (enExample)
AU438128B2 (enExample)
AU410358B2 (enExample)
AU428129B2 (enExample)
AU442322B2 (enExample)
AU442357B2 (enExample)
AU470661B1 (enExample)
AU442535B2 (enExample)
AU442538B2 (enExample)
AU442554B2 (enExample)
AU4540468A (enExample)
AU5077469A (enExample)
AR203167Q (enExample)

Legal Events

Date Code Title Description
ST Notification of lapse