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[USB] USB 2.0 镀金厚度有什么要求

P:2008-03-18 13:52:08

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各大虾:USB 2.0 镀金厚度有什么要求?

triple head rewinder - 三头复绕机 (0) 投诉

P:2008-03-19 12:22:00

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度金,我是不知道,度SN我是知道!

stainless steel tube - 不锈钢管 (0) 投诉

P:2008-03-19 20:12:06

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下一个USB的规范,里面有接头镀层厚度的要求

TRE - Telecommunications Research Establishment(英国)电信研究所 (0) 投诉

P:2009-03-31 14:06:06

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Cellmaster system - 塞尔马斯特系统(瑞士仲巴赫公司开发的一种话缆泡沫皮绝缘挤出生产线质量控制系统,用于控制绝缘线芯直径、电容、偏心度、导体预热温度、绝缘发泡度等工艺参数> (0) 投诉

P:2009-03-31 16:22:20

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沒有吧

fluid cooling unit - 液体冷却装置 (0) 投诉

P:2009-04-03 15:26:56

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15μ或30μ

fully spheroidise annealed-in-process wire - 全球化工艺退火线 (0) 投诉

P:2009-04-29 17:09:25

7

USB标准里有写的,好像不是15μ或30μ

compacted segment - 紧压型弓形线芯 (0) 投诉

P:2009-04-29 20:50:51

8

2.0   30u"

tandem SZ cabling and jacketing line - 串列式SZ成缆及挤塑生产线 (0) 投诉

P:2009-04-30 10:15:20

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6.5.4.3 Plug (Male) Contact Materials
Substrate Material: 0.30 + 0.05 mm half-hard phosphor bronze.
Plating: Contacts are to be selectively plated.
A. Option I
1. Underplate: Minimum 1.25 micrometers (50 microinches) nickel. Copper over base material
is optional.
2. Mating Area: Minimum 0.05 micrometers (2 microinches) gold over a minimum of
0.70 micrometers (28 microinches) palladium.
3. Solder Tails: Minimum 3.8 micrometers (150 microinches) bright tin-lead over the
underplate.
B. Option II
1. Underplate: Minimum 1.25 micrometers (50 microinches) nickel. Copper over base material
is optional.
2. Mating Area: Minimum 0.05 micrometers (2 microinches) gold over a minimum of
0.75 micrometers (30 microinches) palladium-nickel.
3. Wire Crimp/Solder Tails: Minimum 3.8 micrometers (150 microinches) bright tin-lead over
the underplate.
C. Option III
1. Underplate: Minimum 1.25 micrometers (50 microinches) nickel. Copper over base material
is optional.
2. Mating Area: Minimum 0.75 micrometers (30 microinches) gold.
3. Solder Tails: Minimum 3.8 micrometers (150 microinches) bright tin-lead over the
underplate.

ultrafiltration system - 超滤系统,超过滤系统 (0) 投诉

P:2009-04-30 10:17:00

10

是指这一条吗,那应该是0.75um

patchcord - 配电盘软线;连接电缆 (0) 投诉

P:2010-03-30 11:56:10

11

USB1.1----插头端子镀金15U"

USB2.0----插头端子镀金30U"

MIS - management information system信息控制系统,管理信息系统 (0) 投诉

P:2010-04-06 21:28:39

12

去看SPEC吧,好象有几个option吧。

formula - 公式;配方 (0) 投诉

P:2010-04-07 09:16:41

13

Thanks

CMP - corrugated metal pipe皱纹金属管,皱纹钢管 (0) 投诉

P:2020-04-01 14:42:48

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main track - 主线,干线 (0) 投诉

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