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Title: Cobalt-tungsten-phosphorus alloy diffusion barrier coatings, methods for their preparation, and their use in plated articles
Authors: Man, H. C.
Ng, Wing-yan
Yeung, Chi-hung
Lee, Chi-yung
Siu, Cho-lung
Tsui, Rick Y. C.
Yeung, Kinny L. K.
Subjects: Cobalt-tungsten-phosphorus alloy
Barrier coatings
Issue Date: 4-Mar-2003
Source: US Patent 6,528,185 B2. Washington, DC: US Patent and Trademark Office, 2003.
Abstract: Techniques are provided for electrolessly depositing and electrodepositing CoWP barrier coating onto copper or copper alloys to prevent copper diffusion when forming layers on articles such as watch bracelets, watch cases, imitation jewelry, spectacle frames and metal buttons.
Rights: Assignee: The Hong Kong Polytechnic University.
Assignee: Hong Kong Productivity Council.
Type: Patent
Appears in Collections:Patents of PolyU
ABCT Patents
ISE Patents

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