US3015A - Improvement in gilding, silvering - Google Patents

Improvement in gilding, silvering Download PDF

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US3015A
US3015A US3015DA US3015A US 3015 A US3015 A US 3015A US 3015D A US3015D A US 3015DA US 3015 A US3015 A US 3015A
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gilding
improvement
copper
silvering
articles
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
    • H01L21/18Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
    • H01L21/28Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
    • H01L21/283Deposition of conductive or insulating materials for electrodes conducting electric current
    • H01L21/288Deposition of conductive or insulating materials for electrodes conducting electric current from a liquid, e.g. electrolytic deposition
    • H01L21/2885Deposition of conductive or insulating materials for electrodes conducting electric current from a liquid, e.g. electrolytic deposition using an external electrical current, i.e. electro-deposition

Definitions

  • My improvement in the deadening of the gilding is applicable to that method b whit-h metals are coated or covered with meals by the operation of the galvanic battery, or that usually known in the arts by the term "electrotyping; and it consists, when brass or copper articles are to be gilded, in first depositing a thin coating of copper upon them, and next a layer of gold, or of the metal required upon the said coating of copper.
  • the layer of copper first put on in connection with the gold or other metal afterward deposited produces a deadening of the latter in a most thorough and beautiful manner.
  • Such part of the articles on which I-niay be desirous of producing a bright gold color or reflecting-surface may be burnished in the ordinary manner.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Cell Electrode Carriers And Collectors (AREA)
  • Chemical Treatment Of Metals (AREA)

Description

. UNITED STATES P TENT OFFICE.
DANIEL DAVIS, JR, OF BOSTON, MASSACHUSETTS.
IMPROVEMENT IN G'ILDING, SILVERING, &.c., IN DEAD COLORS.
Specification forming part of Letters Patent No. 3,015, dated March 21, 1843.
To all whom it may concern: 7
Be it known that I, DANIEL DAVIS, Jr., of Boston, in the county of Sufi'olk and State of Massachusetts. have discovered a new Method or Process of Producing Dead Metallic Colors on Brass, Copper, Iron,Steel, and various other Metals, or of producing by galvanic agencyv metallic surfaces resembling what is termed in the arts dead-gilding; and I do hereby declare that the following is a full and exact description of the same, wherein Ihave set forth the nature and principles of my discovery, by which it may be distinguished from others of like character, together with such parts or combinations thereof as I claim and consider new.
The process of gilding upon clocks, lamps, and other ornamental metallic articles has generally heretofore been carried on through the agency of acids, the articles being dipped or suspended in the solution (which is heated during the operation) until the requisite color is produced. The deadening has been performed by several processes, generally during the operation of cleaning, by means of an acid known in the arts by the term (leading aqua fortis, or by a weak solution of nitrate of mercury applied to the articles previous to the gilding process. I
My improvement in the deadening of the gilding is applicable to that method b whit-h metals are coated or covered with meals by the operation of the galvanic battery, or that usually known in the arts by the term "electrotyping; and it consists, when brass or copper articles are to be gilded, in first depositing a thin coating of copper upon them, and next a layer of gold, or of the metal required upon the said coating of copper. The layer of copper first put on in connection with the gold or other metal afterward deposited produces a deadening of the latter in a most thorough and beautiful manner. Such part of the articles on which I-niay be desirous of producing a bright gold color or reflecting-surface may be burnished in the ordinary manner.
In order to produce the deadened metallic surface upon articles of iron or steel, it becomes necessary to prevent the local action of the acid solutions in which said articles are dipped and subjected to the action of the galvanic battery, the said local action'having hitherto prevented such metals from receiving the deposit of copper to that degree of perfection necessary. I have discovered that by adding cyanuret of potassium to the solution of sulphate of copper in which the article is immersed the acid of the solution is neutralized and the deposit of metal readily takes place upon any article of iron or steel. The article having thus received a coating of 00p per from the neutralized solution it may next have a thicker coating of copper applied by,
potassium in order to prevent the efl'ects of local act on, then precipitating cooper from the sulphate, and lastly gold or silver thereon, the whole process being substantially as hereinhet'ore set forth.
in testimony that the foregoing is a true description of my said discovery and improve merits I have. hereto set my signature this 26th day of November, in the year 1842.
DANIEL DAVIS, JR.
Witnesses: I
R, H. EDDY, E. LINcoLN, Jr.
US3015D Improvement in gilding, silvering Expired - Lifetime US3015A (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010202937A (en) * 2009-03-04 2010-09-16 Nissan Motor Co Ltd Cylinder block and method for forming sprayed coating
JP2012021392A (en) * 2010-07-13 2012-02-02 Joseph Voegele Ag Building machine comprising presence detection system
JP2012505458A (en) * 2008-10-09 2012-03-01 ヌモニクス ベー. フェー. Virtualized ECC-NAND
JP2012519295A (en) * 2009-03-02 2012-08-23 ヴィーティーアイ テクノロジーズ オーワイ Angular velocity vibration micromechanical sensor
JP2012208115A (en) * 2011-03-15 2012-10-25 Mitsubishi Rayon Co Ltd Method for producing gel microarray for detecting bio-related material
JP2013508660A (en) * 2009-10-20 2013-03-07 シーメンス アクチエンゲゼルシヤフト Mixed firing system
JP2013515320A (en) * 2009-12-22 2013-05-02 トムソン ライセンシング Distributed video transcoding system with adaptive file processing
JP2013092538A (en) * 2005-07-14 2013-05-16 Univ De Geneve Diagnostic method for brain damage-related disorder
JP2013234114A (en) * 2012-05-07 2013-11-21 Wacker Chemie Ag Polycrystalline silicon rod and method for producing the same
JP2013254215A (en) * 2013-08-01 2013-12-19 Hitachi Ltd Optical element and optical device

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013092538A (en) * 2005-07-14 2013-05-16 Univ De Geneve Diagnostic method for brain damage-related disorder
JP2012505458A (en) * 2008-10-09 2012-03-01 ヌモニクス ベー. フェー. Virtualized ECC-NAND
JP2012519295A (en) * 2009-03-02 2012-08-23 ヴィーティーアイ テクノロジーズ オーワイ Angular velocity vibration micromechanical sensor
JP2010202937A (en) * 2009-03-04 2010-09-16 Nissan Motor Co Ltd Cylinder block and method for forming sprayed coating
JP2013508660A (en) * 2009-10-20 2013-03-07 シーメンス アクチエンゲゼルシヤフト Mixed firing system
JP2013515320A (en) * 2009-12-22 2013-05-02 トムソン ライセンシング Distributed video transcoding system with adaptive file processing
JP2012021392A (en) * 2010-07-13 2012-02-02 Joseph Voegele Ag Building machine comprising presence detection system
JP2012208115A (en) * 2011-03-15 2012-10-25 Mitsubishi Rayon Co Ltd Method for producing gel microarray for detecting bio-related material
JP2013234114A (en) * 2012-05-07 2013-11-21 Wacker Chemie Ag Polycrystalline silicon rod and method for producing the same
JP2013254215A (en) * 2013-08-01 2013-12-19 Hitachi Ltd Optical element and optical device

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