国产精品久久久在线观看_亚洲免费观看视频网站_国产盗摄视频一区二区三区_久久久国产一级 - 日本在线观看一区

歡迎來(lái)到寰標(biāo)網(wǎng)! 客服QQ:772084082 加入會(huì)員

I.S. EN 1758:1998現(xiàn)行

Copper And Copper Alloys - Strip For Lead Frames

出版:National Standards Authority of Ireland

獲取原文 如何獲取原文?問(wèn)客服 獲取原文,即可享受本標(biāo)準(zhǔn)狀態(tài)變更提醒服務(wù)!

專家解讀視頻

基本信息
標(biāo)準(zhǔn)編號(hào): I.S. EN 1758:1998
發(fā)布時(shí)間:1998/6/26 0:00:00
標(biāo)準(zhǔn)類別:Standard
出版單位:National Standards Authority of Ireland
標(biāo)準(zhǔn)頁(yè)數(shù):26
標(biāo)準(zhǔn)簡(jiǎn)介

Defines the composition, property requirements and tolerances on dimensions and form for copper and copper alloy strip for lead frame material, with widths up to and including 100 mm. Thicknesses between 0.1 mm up to and including 1.0 mm are generally used for stamped lead frames for integrated circuits and low power devices and thicknesses from 1.0 mm up to and including 2.0 mm are generally used for stamped lead frames for high power devices.

等同采用的國(guó)際標(biāo)準(zhǔn)

UNE EN 1758:1998 - Identical

SS EN 1758 Ed. 1 (1998) - Identical

NS EN 1758 Ed. 1 (1998) - Identical

UNI EN 1758:1999 - Identical

NBN EN 1758:1998 - Identical

NF EN 1758:1998 - Identical

ONORM EN 1758:1998 - Identical

DIN EN 1758 (1998-03) - Identical

BS EN 1758:1998 - Identical

NEN EN 1758:1998 - Identical

SN EN 1758:1998 - Identical