Dear Perkins,
Thanks for the valuable feedback, certainly it is very useful in many
practical aspects. The condition prevailing in ITE industry today does not
allow slips in schedule. I am sure that not only SCM every one is waking in
a tight rope. If I tell my supply chain to start procurement after I
complete all certification they will laugh at me.
I thank to everyone who replied to my query through the forum or to
my personal ID.
Sincerely                                                         Â
SCM
Microsystems (India) Pvt. Ltd.
K. Balasubramanian                 Â
                       Modules 0506,
0507 & 0508, D – Block,
Manager – Hardware    Â
                                   South
Wing,
TIDEL Park,
Tel : +91 44 42931391Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â
                      #4, Rajiv
Gandhi Road,(formerly Canal Bank Road)
Fax :+91 44
22540029Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â
Taramani,
Chennai – 600113. India
E-mail:[email protected]Â Â Â Â Â Â Â Â Â Web :
http://scmmicro.com
‘This email and any attachment may contain confidential information and are
intended solely for the use of the named recipient(s). If you have received
this information in error, you are prohibited from reading, copying,
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"Pete Perkins"
<[email protected]
om> To
Sent by: <[email protected]>,
[email protected] <[email protected]>
cc
<[email protected]>
11/07/2008 01:51 Subject
PM RE: UL 60950 preliminary
inspection / design review
K. Balasubramanian & PSNet,
It seems that because of the described trouble you are having with
your certification supplier you are making the process more difficult for
yourself by the way you approach the process.
Working with the test house in steps opens the door for additional
review of the design for compliance.
You have probably started this 2 step method because you weren't
sure if you understood the requirements and the standard well enough to get
the equipment to pass all at once.
Most manufacturers that I know don't utilize a multiple pass
certification process.
Once you have developed confidence (maybe you are there already) why
don't you just approach them once to get the certification you need and
move
into production of the unit? It would seem that you would minimize your
trouble and probably save a little money in the process.
For each new product there are only a few new issues that arise and
you should be able to discuss those with a certification engineer that you
have worked with recently to get assurance that you are moving ahead in a
mutually agreeable way. This will pave the way for a smooth certification
process.
As with any business process with a supplier the relationship that
you develop with the folks with which you work regularly is important.
:>) br, Pete
Peter E Perkins, PE
Principal Product Safety Engineer
PO Box 23427
Tigard, ORe 97281-3427
503/452-1201 fone/fax
[email protected]
From: [email protected] [mailto:[email protected]] On Behalf Of
[email protected]
Sent: Thursday, November 06, 2008 6:45 AM
To: [email protected]
Cc: [email protected]
Subject: UL 60950 preliminary inspection / design review
Dear Experts,
We submit most of products to UL for 60950 listing. Almost 95 % of
our products are UL listed. We find it very difficult to complete the
cycle. Many times we come across situations that the parts used are not
meeting UL spec. and a redesign is inevitable. This further complicates the
things and delay the cycle. We look for some consultants who can help us by
participating from the design review stage itself.
The most sad part is many times we submit the product to UL for
preliminary inspection during the proto stage and UL (India office located
at Bangalore) gives pass report. Then we go for pilot production
(simultaneously we initiate procurement for mass production also) and
submit the pilot samples to the same UL office for final certification. At
this time UL is coming with new findings and ultimately product fails to
get UL listing. All the times I am sure that there is no difference between
the proto samples and pilot samples. Mostly some resistor values get
changed between proto and pilot.
It is not clear to me whether it is the competence issue at UL India
or UL is greedy in money making. I look for advise from the experts of this
forum. I have been told that UL Taiwan is more proficient in 60950
standard. Is this true?
Sincerely                                                         Â
SCM
Microsystems (India) Pvt. Ltd.
K. Balasubramanian                 Â
                       Modules 0506,
0507 & 0508, D – Block,
Manager – Hardware    Â
                                   South
Wing,
TIDEL Park,
Tel : +91 44 42931391Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â
                      #4, Rajiv
Gandhi Road,(formerly Canal Bank Road)
Fax :+91 44
22540029Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â
Taramani,
Chennai – 600113. India
E-mail:[email protected]Â Â Â Â Â Â Â Â Â Web :
http://scmmicro.com
‘This email and any attachment may contain confidential information and are
intended solely for the use of the named recipient(s). If you have received
this information in error, you are prohibited from reading, copying,
distributing and using the information. If you are not a named addressee or
otherwise an intended recipient you are requested to immediately notify the
sender and to delete this email and all attachments from your system.’
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