ES426548A1 - Bright solder plating - Google Patents

Bright solder plating

Info

Publication number
ES426548A1
ES426548A1 ES426548A ES426548A ES426548A1 ES 426548 A1 ES426548 A1 ES 426548A1 ES 426548 A ES426548 A ES 426548A ES 426548 A ES426548 A ES 426548A ES 426548 A1 ES426548 A1 ES 426548A1
Authority
ES
Spain
Prior art keywords
bright
aromatic
solder plating
bath
bright solder
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
ES426548A
Other languages
Spanish (es)
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.)
Oxy Metal Finishing Corp
Original Assignee
Oxy Metal Finishing 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 Oxy Metal Finishing Corp filed Critical Oxy Metal Finishing Corp
Publication of ES426548A1 publication Critical patent/ES426548A1/en
Expired 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
    • C25D3/00—Electroplating: Baths therefor
    • C25D3/02—Electroplating: Baths therefor from solutions
    • C25D3/56—Electroplating: Baths therefor from solutions of alloys
    • C25D3/60—Electroplating: Baths therefor from solutions of alloys containing more than 50% by weight of tin
    • 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 resistors
    • H05K3/32—Assembling printed circuits with electric components, e.g. with resistors electrically connecting electric components or wires to printed circuits
    • H05K3/34—Assembling printed circuits with electric components, e.g. with resistors electrically connecting electric components or wires to printed circuits by soldering
    • H05K3/3465—Application of solder
    • H05K3/3473—Plating of solder

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electroplating And Plating Baths Therefor (AREA)
  • Manufacturing Of Printed Wiring (AREA)

Abstract

Disclosed is a method and composition for electroplating a layer of bright solder on a base metal. In addition to soluble divalent tin and lead salts, the bath contains formaldehyde, an aryl primary amine, a condensation product of an aromatic aldehyde and an aromatic amine and a polynuclear aromatic disulfonic acid. Deposits obtained by this bath are not only mirror bright, but exhibit no haze. An important advantage is that the solderability of the deposit may be correlated to its physical appearance.
ES426548A 1973-05-21 1974-05-21 Bright solder plating Expired ES426548A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00362595A US3850765A (en) 1973-05-21 1973-05-21 Bright solder plating

Publications (1)

Publication Number Publication Date
ES426548A1 true ES426548A1 (en) 1976-07-01

Family

ID=23426724

Family Applications (1)

Application Number Title Priority Date Filing Date
ES426548A Expired ES426548A1 (en) 1973-05-21 1974-05-21 Bright solder plating

Country Status (11)

Country Link
US (1) US3850765A (en)
JP (1) JPS5736990B2 (en)
AT (1) AT333093B (en)
BE (1) BE815368A (en)
CA (1) CA1031291A (en)
DE (1) DE2424070C2 (en)
ES (1) ES426548A1 (en)
FR (1) FR2230752B1 (en)
GB (1) GB1476176A (en)
IT (1) IT1023029B (en)
NL (1) NL7406817A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE390986B (en) * 1973-10-18 1977-01-31 Modo Kemi Ab PROCEDURE FOR ELECTROPLETING AW COATINGS OF IGNITION OR IGNITION ALLOY UNIT OF AN ACID ELECTROLYTE BATH
US4073701A (en) * 1976-10-15 1978-02-14 Bethlehem Steel Corporation Acid electrotinning bath
US4139425A (en) * 1978-04-05 1979-02-13 R. O. Hull & Company, Inc. Composition, plating bath, and method for electroplating tin and/or lead
US4347107A (en) * 1981-04-02 1982-08-31 Hooker Chemicals & Plastics Corp. Electroplating tin and tin alloys and baths therefor
SE8204505L (en) * 1981-09-08 1983-03-09 Occidental Chem Co ELECTROPLETING FOR PROVISION OF TIN LEAD ALLOYS ON DIFFERENT SUBSTRACTS
US4662999A (en) * 1985-06-26 1987-05-05 Mcgean-Rohco, Inc. Plating bath and method for electroplating tin and/or lead
DE3934866A1 (en) * 1989-10-19 1991-04-25 Blasberg Oberflaechentech METHOD FOR DEPOSITING LEAD AND LEAD-CONTAINING LAYERS, ELECTROLYTE FOR CARRYING OUT THE METHOD AND USE OF SURFACTANTS IN ACID LEAD ELECTROLYTE
US5326453A (en) * 1993-02-19 1994-07-05 Motorola, Inc. Method and solution for electrodeposition of a dense, reflective tin or tin-lead alloy
US5545440A (en) * 1994-12-05 1996-08-13 At&T Global Information Solutions Company (Aka Ncr Corporation) Method and apparatus for polymer coating of substrates
US5597469A (en) * 1995-02-13 1997-01-28 International Business Machines Corporation Process for selective application of solder to circuit packages

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3661730A (en) * 1969-09-22 1972-05-09 Kazuo Nishihara Process for the formation of a super-bright solder coating
US3730853A (en) * 1971-06-18 1973-05-01 Schloetter M Electroplating bath for depositing tin-lead alloy plates
US3749649A (en) * 1971-12-16 1973-07-31 M & T Chemicals Inc Bright tin-lead alloy plating

Also Published As

Publication number Publication date
AU6893474A (en) 1975-11-20
FR2230752B1 (en) 1983-07-22
FR2230752A1 (en) 1974-12-20
JPS5041728A (en) 1975-04-16
US3850765A (en) 1974-11-26
DE2424070C2 (en) 1985-08-22
JPS5736990B2 (en) 1982-08-06
NL7406817A (en) 1974-11-25
DE2424070A1 (en) 1974-12-12
IT1023029B (en) 1978-05-10
GB1476176A (en) 1977-06-10
AT333093B (en) 1976-11-10
CA1031291A (en) 1978-05-16
BE815368A (en) 1974-11-21
ATA409774A (en) 1976-02-15

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