Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1976-02-04
1978-05-23
Kendall, Ralph S.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
428458, 427 38, 427 81, 427 99, 427124, 427251, 427162, 174 685, 204192C, C23C 1302
Patent
active
040911381
ABSTRACT:
This invention provides a method for forming a dense, electrically conductive, metallic coating having a sufficient adherence without use of an adhesive on an insulating film, sheet, or plate such as plastic film, plastic rigid sheet, or ceramics by the cluster ion plating procedure which comprises heating a crucible containing a vapor deposition metal at a temperature of 200.degree. to 2,500.degree. C in a vacuum of 1 .times. 10.sup.-4 Torr. to 1 .times. 10.sup.-7 Torr. to generate a metal cluster through a small hole of the crucible, ionizing the metal cluster by the impact of electrons, and electrostatically accelerating the resulting cluster ion and depositing the same on a base material; a method for directly forming an electric circuit on the base material without use of adhesive according to the above-said method, wherein the base material is covered with a mask in the sheet form; and a method for efficiently increasing the thickness of the metallic coatings formed by the above methods, by further deposition of a metal by a vacuum deposition procedure or by an ion plating procedure similar to the said cluster ion plating, except that the crucible has an ejecting hole of a larger diameter so that practically the cluster is no more formed. The invention also provides the products manufactured by the above methods.
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patent: 3968270 (1976-07-01), Hasegawa
Nishiyama Tatsuichiro
Takagi Toshinori
Uchida Unosuke
Flocks Karl W.
Kendall Ralph S.
Sumitomo Bakelite Company Limited
Takagi Toshinori
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