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Archive | 1994

Lead frame material and lead frame for semiconductor device

Shunji Takahashi; Seizo Masukawa; Rensei Futatsuka; Tetsuya Sugimoto; Takeshi Suzuki; Chuzo Azuma; Yuichi Kanda; Takao Fukatami


Archive | 1992

CU ALLOY STEEL HAVING FINE STRUCTURE FOR ELECTRIC AND ELECTRONIC PARTS

Shunichi Chiba; Rensei Futatsuka; Junichi Kumagai; Seiji Kumagai; Manpei Kuwabara; Michiyo Odajima; Tadao Sakakibara; Takeshi Suzuki; 錬成 二塚; 俊一 千葉; 美智代 小田嶋; 萬平 桑原; 直男 榊原; 淳一 熊谷; 誠司 熊谷; 竹四 鈴木


Archive | 1992

DRAWN COPPER ALLOY BAR STOCK SCARCELY CAUSING WEAR TO STAMPING DIE AND ITS PRODUCTION

Rensei Futatsuka; Junichi Kumagai; Seiji Kumagai; Manpei Kuwabara; Michiyo Odajima; Takeshi Suzuki; 錬成 二塚; 美智代 小田嶋; 萬平 桑原; 淳一 熊谷; 誠司 熊谷; 竹四 鈴木


Archive | 1998

Corrosion-resistant high-strength copper based alloy having excellent blankability

Takeshi Suzuki; Manpei Kuwahara; Shin Kikuchi; Yoshiharu Mae; Junichi Kumagai; Katsuyoshi Narita; Rensei Futatsuka


Archive | 1993

Production of high-strength cu alloy sheet bar

Shunichi Chiba; Rensei Futatsuka; Kazunori Kikukawa; Junichi Kumagai; 錬成 二塚; 俊一 千葉; 淳一 熊谷; 一徳 菊川


Archive | 1994

Lead frame material formed of copper alloy for resin sealed type semiconductor devices

Rensei Futatsuka; Shunichi Chiba; Junichi Kumagai


Archive | 1985

Copper alloy lead material for leads of a semiconductor device

Rensei Futatsuka; Seiji Kumagai; Masuhiro Izumida


Archive | 1980

Lead material for semiconductor

Shunichi Chiba; Rensei Futatsuka; Tadao Sakakibara


Archive | 1991

COPPER-ALLOY ELECTRIC SOCKET STRUCTURAL COMPONENT

Rensei Futatsuka; Seiji Kumagai; Manpei Kuwabara; Yoshiji Saito; Takeshi Suzuki; Ichiji Yashiro; 錬成 二塚; 一司 八代; 好次 斉藤; 萬平 桑原; 誠司 熊谷; 竹四 鈴木


Archive | 1987

Copper base lead material for leads of semiconductor devices

Rensei Futatsuka; Tadao Sakakibara; Shunichi Chiba

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