ES2184776T3 - Procedimiento para dorar semiproductos en forma de banda, especialmente para placas de circuito imprso. - Google Patents

Procedimiento para dorar semiproductos en forma de banda, especialmente para placas de circuito imprso.

Info

Publication number
ES2184776T3
ES2184776T3 ES95111826T ES95111826T ES2184776T3 ES 2184776 T3 ES2184776 T3 ES 2184776T3 ES 95111826 T ES95111826 T ES 95111826T ES 95111826 T ES95111826 T ES 95111826T ES 2184776 T3 ES2184776 T3 ES 2184776T3
Authority
ES
Spain
Prior art keywords
band
semiproducts
giving
procedure
printed circuit
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 - Lifetime
Application number
ES95111826T
Other languages
English (en)
Inventor
Franz Dr Kaspar
Norbert Dr Normann
Gerd Schaudt
Thilo Uhrig
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.)
Doduco Contacts and Refining GmbH
Original Assignee
AMI Doduco GmbH
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
Priority claimed from DE4436071A external-priority patent/DE4436071C2/de
Application filed by AMI Doduco GmbH filed Critical AMI Doduco GmbH
Application granted granted Critical
Publication of ES2184776T3 publication Critical patent/ES2184776T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/60—Electroplating characterised by the structure or texture of the layers
    • C25D5/623—Porosity of the layers
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/10—Electroplating with more than one layer of the same or of different metals
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/60—Electroplating characterised by the structure or texture of the layers
    • C25D5/605—Surface topography of the layers, e.g. rough, dendritic or nodular layers

Abstract

LA INVENCION SE REFIERE A SEMIPRODUCTOS EN FORMA DE BANDA, QUE SON UTILIZADOS ESPECIALMENTE PARA ESTRUCTURAS DE PLOMO EN LA TECNOLOGIA DE SEMICONDUCTORES, SIENDO DORADOS DE FORMA CONTINUA, SELECTIVA, GALVANICAMENTE, EN DONDE EL SEMIPRODUCTO SE TRATA EN UNA PRIMERA ETAPA EN UN BAÑO DE ORO CON UNA DENSIDAD DE CORRIENTE ELEVADA Y A CONTINUACION EN UNA SEGUNDA ETAPA CON UN BAÑO DE ORO CON DENSIDAD DE CORRIENTE REDUCIDA.
ES95111826T 1994-07-28 1995-07-28 Procedimiento para dorar semiproductos en forma de banda, especialmente para placas de circuito imprso. Expired - Lifetime ES2184776T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4426862 1994-07-28
DE4436071A DE4436071C2 (de) 1994-07-28 1994-10-10 Verfahren zum Vergolden von bandförmigem Halbzeug, insbesondere für Leadframes und nach dem Verfahren vergoldete Leadframes

Publications (1)

Publication Number Publication Date
ES2184776T3 true ES2184776T3 (es) 2003-04-16

Family

ID=25938782

Family Applications (1)

Application Number Title Priority Date Filing Date
ES95111826T Expired - Lifetime ES2184776T3 (es) 1994-07-28 1995-07-28 Procedimiento para dorar semiproductos en forma de banda, especialmente para placas de circuito imprso.

Country Status (2)

Country Link
EP (1) EP0698677B1 (es)
ES (1) ES2184776T3 (es)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2147311B (en) * 1983-09-29 1987-10-21 Hara J B O Electrodepositing precious metal alloys
EP0222232B1 (en) * 1985-11-11 1992-01-22 Electroplating Engineers of Japan Limited Plating device for minute portions of connector terminals
DE3839223C2 (de) * 1988-11-19 1994-10-20 Degussa Vorrichtung zur selektiven galvanischen Beschichtung

Also Published As

Publication number Publication date
EP0698677B1 (de) 2002-10-09
EP0698677A2 (de) 1996-02-28
EP0698677A3 (de) 1998-08-26

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