H - Electricity – 05 – K
Patent
H - Electricity
05
K
204/22.5
H05K 3/28 (2006.01) C25D 11/02 (2006.01) C25D 11/18 (2006.01) C25D 11/24 (2006.01) H01B 3/46 (2006.01) H05K 1/05 (2006.01) H05K 7/20 (2006.01)
Patent
CA 1212073
ABSTRACT A process of treating an anodic oxide film wherein a base material of a valve metal or magnesium or their alloys is anodized to form the anodic oxide film thereon, which is then impregnated with a polymerizable compound and thereafter subjected to polymerization of the compound, whereby the micropores of the anodic oxide film are fiIled and sealed with the polymerized com- pound. According to this process, there is provided a base material having an anodic oxide film impregnated with polymerized compound which is excellent in heat re- sistance, heat reflection and electrical insulation, and hence the base material is useful for the printed wiring board, electrically-insulative heat sink, heat-resistant insulated wire and the like.
395127
Isawa Kazuo
Maejima Masatsugu
Murayama Seizo
Saruwatari Kohichi
Usuki Takayoshi
Fujikura Cable Works Ltd.
Ridout & Maybee Llp
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