|
|
我手头没原文件，只有UL审厂文件有如下描述，它包含整个主板（即PCB加在之上的元件），对于那原始文件，在UL网站应该能找到！！' B' b& k, O/ u
Printed wiring board assemblies (category ZPVI2)4 d, T5 ?& G; Z# L
Overview2 z- Y' r y+ u4 l
This program provides traceability for printed wiring board9 y7 d/ ?; F. O. s
assemblies. It covers materials and components of assembled
- a$ [7 U2 }; e5 G5 D6 d" Jprinted wiring boards, including a board itself, when these can only: b P3 G t- J7 \& _, }2 @
be identified at a board assembly location. This program is used
* w& ?. h# j% A# t$ g$ ]; T1 Q0 H1 Zwhen printed wiring boards are assembled remotely from an endproduct
/ s5 j# J( C+ v# r" T% |manufacturing location and traceability of a board or its: L" i: M$ C( T& P+ M; F
components is a concern. It is intended to address traceability of a
( P' M3 s1 z3 z- bUL Recognized board and/or components only. All other aspects of" l- I, ?% y7 |! e
design, spacings, etc., are evaluated as part of the UL investigation7 f7 H k. `( ~& F
of end-use products.Method of traceability" D0 f, I2 O- h$ \- k
An assembler is required to keep records to trace the identity of all
( e( W: _" j+ b+ @8 ~+ y! r; Tmaterials and components from receipt through storage, inventory,6 D5 n1 ^8 C7 g9 l
withdrawal, assembly, packaging and shipping. Printed wiring
9 O0 l6 o: W) Sassemblies covered under the category ZPVI2 are identified by an( E1 Y+ [$ `* [* Z. b* k
assembler’s name and UL code designation on a part, shipping
: p9 _# U- V" N9 f; ~7 P- A; p: @container or included specification sheet. Relevant material and
) k# F2 F0 J E7 S" Mcomponent manufacturer name and type designations are marked; x9 d' g. k' S
on a part, shipping container or accompanying documentation. In
6 j1 P' V( U' {! G$ _+ z! _addition, assemblies covered under this program will also bear the& e" W5 V- ^1 Q! j+ f
UL Recognized Component Mark. |
|
/1 
|关于安规|小黑屋|安规QQ群|Archiver|手机版|安规网
( 粤ICP13023453-10 ) 
窥视卡
雷达卡
发表于 2009-11-19 09:24
收藏
分享
好帖
鸡蛋
提升卡
置顶卡
沉默卡
喧嚣卡
变色卡
抢沙发
千斤顶
显身卡
楼主
