JPS565997A - Manufacture of hard gold alloy coating - Google Patents

Manufacture of hard gold alloy coating

Info

Publication number
JPS565997A
JPS565997A JP8163679A JP8163679A JPS565997A JP S565997 A JPS565997 A JP S565997A JP 8163679 A JP8163679 A JP 8163679A JP 8163679 A JP8163679 A JP 8163679A JP S565997 A JPS565997 A JP S565997A
Authority
JP
Japan
Prior art keywords
gold
sulfite
manufacture
soluble
salt
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.)
Granted
Application number
JP8163679A
Other languages
Japanese (ja)
Other versions
JPS5823478B2 (en
Inventor
Tsutomu Kobayashi
Hiroshi Kobayashi
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.)
NIPPON DENTO KOGYO KK
Original Assignee
NIPPON DENTO KOGYO KK
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 NIPPON DENTO KOGYO KK filed Critical NIPPON DENTO KOGYO KK
Priority to JP54081636A priority Critical patent/JPS5823478B2/en
Publication of JPS565997A publication Critical patent/JPS565997A/en
Publication of JPS5823478B2 publication Critical patent/JPS5823478B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Eyeglasses (AREA)
  • Electroplating And Plating Baths Therefor (AREA)

Abstract

PURPOSE: To manufacture the above-mentioned coating improved thick adhesive property, corrosion resistance, luster and color tone etc. by electrodeposition, by containing each specific quantity of gold sulfite, soluble copper salt and soluble salt not containing cyanide and alkali sulfite in an electrolyte.
CONSTITUTION: Hard gold alloy coating is electrodeposited on a substrate by using an electrolyte containing gold sulfite (containing 1W30g/l gold), soluble copper salt not containing cyanide (containing 0.1W10g/l copper), soluble salt not containing cyanide (containing two kinds or more of VIII group metals except iron in the limits of 0.1W50g/l each) and 10g/l or more alkali sulfite. Hardness is improved moreover by carrying out heat treatment of the electrodeposited coating at about 250W500°C in vacuum or low oxidative atmosphere.
COPYRIGHT: (C)1981,JPO&Japio
JP54081636A 1979-06-28 1979-06-28 Manufacturing method of hard gold alloy coating Expired JPS5823478B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP54081636A JPS5823478B2 (en) 1979-06-28 1979-06-28 Manufacturing method of hard gold alloy coating

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP54081636A JPS5823478B2 (en) 1979-06-28 1979-06-28 Manufacturing method of hard gold alloy coating

Publications (2)

Publication Number Publication Date
JPS565997A true JPS565997A (en) 1981-01-22
JPS5823478B2 JPS5823478B2 (en) 1983-05-16

Family

ID=13751815

Family Applications (1)

Application Number Title Priority Date Filing Date
JP54081636A Expired JPS5823478B2 (en) 1979-06-28 1979-06-28 Manufacturing method of hard gold alloy coating

Country Status (1)

Country Link
JP (1) JPS5823478B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008115449A (en) * 2006-11-07 2008-05-22 Ne Chemcat Corp Non-cyanogen-based gold electroplating bath for forming gold bump or gold wiring
JP2009280867A (en) * 2008-05-22 2009-12-03 Kanto Chem Co Inc Electrolytic alloy plating solution, and plating method using the same
CN104540983A (en) * 2012-10-04 2015-04-22 日本电镀工程股份有限公司 Non-cyanide electrolytic gold plating solution

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4953138A (en) * 1972-07-10 1974-05-23
JPS53149132A (en) * 1977-06-01 1978-12-26 Citizen Watch Co Ltd Golddpalladiummcopper alloy plating liquid
JPS5428238A (en) * 1977-08-05 1979-03-02 Seiko Epson Corp Watchcase

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4953138A (en) * 1972-07-10 1974-05-23
JPS53149132A (en) * 1977-06-01 1978-12-26 Citizen Watch Co Ltd Golddpalladiummcopper alloy plating liquid
JPS5428238A (en) * 1977-08-05 1979-03-02 Seiko Epson Corp Watchcase

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008115449A (en) * 2006-11-07 2008-05-22 Ne Chemcat Corp Non-cyanogen-based gold electroplating bath for forming gold bump or gold wiring
JP2009280867A (en) * 2008-05-22 2009-12-03 Kanto Chem Co Inc Electrolytic alloy plating solution, and plating method using the same
CN104540983A (en) * 2012-10-04 2015-04-22 日本电镀工程股份有限公司 Non-cyanide electrolytic gold plating solution
US20150137356A1 (en) * 2012-10-04 2015-05-21 Electroplating Engineers Of Japan Limited Non-cyanide electrolytic gold plating solution
JPWO2014054429A1 (en) * 2012-10-04 2016-08-25 日本エレクトロプレイテイング・エンジニヤース株式会社 Non-cyanide electrolytic gold plating solution
CN104540983B (en) * 2012-10-04 2019-05-21 日本电镀工程股份有限公司 Non-cyanogen type electrolytic gold plating liquid

Also Published As

Publication number Publication date
JPS5823478B2 (en) 1983-05-16

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