安规网

标题: 软性FPCB板有UL认证如何进行标识？ [打印本页]
作者: little_min    时间: 2012-3-27 09:43
标题: 软性FPCB板有UL认证如何进行标识？
各位高手，供应商提供的软性FPCB板有UL认证证书，但要不要在产品进行标识？3 P% p1 n9 J, ]) f! _2 q( y1 k
一般PCB是有UL标识及档案号的，但软性FPCB如何标识呢？请各位指点下，先谢了！& I* S2 V* b0 T7 r2 |
作者: powerlg    时间: 2012-3-27 10:07
顶起。等回复。
作者: Andy.Yang    时间: 2012-3-27 10:52
Depends on the description shown in its UL FUS procedure, you can ask your PCB vendor to provide the marking requirement of UL, then you can clearly know how to mark it...
作者: fasten    时间: 2012-3-27 12:24
7.1.1 Where there is sufficient space as defined in 7.1.2, each FMIC shall be plainly and permanently* h) }, X/ ~4 L: V/ s$ V7 k
marked, such as by etching, printing, solder mask marking, or nonconductive ink printing or screening,( U) E+ U3 i3 c7 Q8 t6 ]4 h
with the manufacturer’s name, trademark, or authorized initials or symbols by which the organization
9 D( h! i& |2 u2 T0 yresponsible for the FMIC shall be identified, followed by a Type designation, or code number or equivalent
6 h. |7 h0 m; k) F, H, D9 rdesignation to indicate the FMIC has been tested for flammability, and where applicable, a combination of
( @- G+ O" X) [8 ]' \4 T# Z$ lbond strength, conductive paste adhesion, plating adhesion, cover material, (ambient) bend, cold-bend,+ W& v. G% `% z
and repeated flexing. Conductive markings, such as etched copper, shall be considered as electrical& X4 X" Z. _) G: q
elements (unconnected conductive part) of the circuit and shall not reduce the electrical spacing
$ h( U0 e2 l. Jrequirements for the end product.
8 V5 c, p+ Q/ @
* c6 M, x. _: C* X7 K- [8 ]
7.1.2 Sufficient space is defined as a space at least 2.5 mm (0.1 inch) high and of sufficient length to
accommodate the marking. When there is insufficient space to accommodate the marking, the marking
shall be marked on the smallest unit container. The marking may be marked on the panel frame to which
the FMIC is attached, if the FMIC will remain in the panel construction when shipped to the OEM.
+ g. `" I4 w) h
0 l0 a$ G4 w/ l2 ~0 e' L- N3 h7.1.2很关键。) t/ e2 C- B/ }) d
作者: little_min    时间: 2012-3-27 14:08
谢谢热心回复！' `; P; E6 [( ]1 i7 k+ q
请高手再帮忙看下这个是不是UL标识？标识所指各是什么意思！
作者: ffwwff    时间: 2012-3-27 14:16
期待高手
作者: little_min    时间: 2012-3-28 12:49
别沉下！



欢迎光临 安规网 (http://bbs.angui.org/) Powered by Discuz! X3.2