MANUFACTURING METHOD OF DOUBLE-SIDED DEPOSITION POLYPROPYLENE FILM, AND CAPACITOR USING THE FILM

Title:

MANUFACTURING METHOD OF DOUBLE-SIDED DEPOSITION POLYPROPYLENE FILM, AND CAPACITOR USING THE FILM

Document Type and Number:

Japanese Patent JP3608529

Kind Code:

B2

Abstract:

PROBLEM TO BE SOLVED: To solve the problem of deposition metals adhering each other on both surfaces and releasing from each other when they are wound off in the next process when the metals are deposited on both the surfaces of a polypropylene film and are wound off as a product roll in a deposition machine.
SOLUTION: In a deposition process for allowing zinc or the mixture of zinc and aluminum to be subjected to vacuum deposition onto both the surfaces of a polypropylene film being withdrawn from a master roll for winding off in a product roll, an oxidizing gas is sprayed to the side of an inner surface where the polypropylene film is wound off in contact with the product roll.

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Inventors:

Kohei Shioda
Toshiharu Saito
Kazumi Nomura
Hiroki Takeoka
Kazuhiro Nakatsubo
Toshiyuki Nishimori
Shibuya Masatoshi
Toshihiro Sasaki
Shigeo Okabe

Application Number:

JP2001173662A

Publication Date:

January 12, 2005

Filing Date:

June 08, 2001

Export Citation:

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Assignee:

Matsushita Electric Industrial Co., Ltd

International Classes:

H01G4/015; H01G4/18; C23C14/20; (IPC1-7): H01G4/015; C23C14/20; H01G4/18

Domestic Patent References:

JP499166A
JP200152949A

Attorney, Agent or Firm:

Fumio Iwahashi
Tomoyasu Sakaguchi
Hiroki Naito

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