JPS64256A - Manufacture of aluminum foil for electrolytic capacitor - Google Patents

Manufacture of aluminum foil for electrolytic capacitor

Info

Publication number
JPS64256A
JPS64256A JP14515187A JP14515187A JPS64256A JP S64256 A JPS64256 A JP S64256A JP 14515187 A JP14515187 A JP 14515187A JP 14515187 A JP14515187 A JP 14515187A JP S64256 A JPS64256 A JP S64256A
Authority
JP
Japan
Prior art keywords
electrolytic capacitor
manufacture
foil
aluminum foil
alternating current
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP14515187A
Other languages
Japanese (ja)
Other versions
JPH01256A (en
Inventor
Kiyoshi Fukuoka
Masaharu Kurahashi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Light Metal Industries Ltd
Original Assignee
Sumitomo Light Metal Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sumitomo Light Metal Industries Ltd filed Critical Sumitomo Light Metal Industries Ltd
Priority to JP62-145151A priority Critical patent/JPH01256A/en
Priority claimed from JP62-145151A external-priority patent/JPH01256A/en
Publication of JPS64256A publication Critical patent/JPS64256A/en
Publication of JPH01256A publication Critical patent/JPH01256A/en
Pending legal-status Critical Current

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Abstract

PURPOSE: To manufacture an Al foil for electrolytic capacitor capable of providing high electrostatic capacity after alternating current etching, by heating Al of a specific purity to annealing temp. directly after hot rolling and also specifying the final cold rolling draft.
CONSTITUTION: Al with ≥99.4% purity is process-annealed at about 250W620°C and then cold-rolled at 50W99% final cold rolling draft so as to be formed into an Al foil. By this method, the state of etching pit formation at the time of alternating current etching is controlled, by which an Al foil capable of providing high electrostatic capacity when used for electrolytic capacitor can be manufactured.
COPYRIGHT: (C)1989,JPO&Japio
JP62-145151A 1987-03-05 1987-06-12 Manufacturing method of aluminum foil for electrolytic capacitors Pending JPH01256A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62-145151A JPH01256A (en) 1987-03-05 1987-06-12 Manufacturing method of aluminum foil for electrolytic capacitors

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP4886587 1987-03-05
JP62-48865 1987-03-05
JP62-145151A JPH01256A (en) 1987-03-05 1987-06-12 Manufacturing method of aluminum foil for electrolytic capacitors

Publications (2)

Publication Number Publication Date
JPS64256A true JPS64256A (en) 1989-01-05
JPH01256A JPH01256A (en) 1989-01-05

Family

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0192347A (en) * 1987-10-01 1989-04-11 Kobe Steel Ltd Manufacture of aluminum foil for electrolytic capacitor anode
JPH02200749A (en) * 1989-01-31 1990-08-09 Sumitomo Light Metal Ind Ltd Aluminum foil for electrolytic capacitor cathode and its production

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53118214A (en) * 1977-03-26 1978-10-16 Mitsubishi Aluminium Method of producing aluminum foil for cathode of electrolytic capacitor
JPS6263656A (en) * 1985-09-17 1987-03-20 Sumitomo Light Metal Ind Ltd Production of aluminum foil for electrolytic capacitor

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53118214A (en) * 1977-03-26 1978-10-16 Mitsubishi Aluminium Method of producing aluminum foil for cathode of electrolytic capacitor
JPS6263656A (en) * 1985-09-17 1987-03-20 Sumitomo Light Metal Ind Ltd Production of aluminum foil for electrolytic capacitor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0192347A (en) * 1987-10-01 1989-04-11 Kobe Steel Ltd Manufacture of aluminum foil for electrolytic capacitor anode
JPH02200749A (en) * 1989-01-31 1990-08-09 Sumitomo Light Metal Ind Ltd Aluminum foil for electrolytic capacitor cathode and its production

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