----------
> 送件者: apyeo <[log in to unmask]>
> 收件者: Somsak O. <[log in to unmask]>
> 副本抄送: KS Wat <[log in to unmask]>; Wichet R.
<[log in to unmask]>; janjiang <[log in to unmask]>; Charter-HK-Tony
Fung <[log in to unmask]>; Charter-GZ-KS Wat
<[log in to unmask]>
> 主旨: Re: Fw: PCB Fabrication,Vendor Supplier Survey & ESDRequirements
> 日期: 1999年11月15日 PM 04:45
>
Dear Somsak,
HASL finished products are currently produced in our Shenzhen plant.
We can prepare the necessary information & hand over to you in
GuangZhou plant.If you have questionaire do send us in advance.
Regards,
ap yeo-
At 02:20 PM 11/15/99 -0800, Somsak O. wrote:
>
> DEAR AP YEO
> GOOD AFTERNOON ! COULD YOU PLEASE KINDLY MAKE NECESSARY
> PREPARATION OF YOUR COMPANY INFORMATION AS WE RECEIVED VERY DETAIL
> INFORMATION REQUIRED BY OUR CUSTOMER.PLEASE ADVISE VIA RETURN WHETHER IT
IS
> POSSIBLE FOR YOU TO GET ALL DETAIL INFORMATION WHILS WE ARE VISITING YOUR
> FACTORY. THANK YOU.
> With Best Regards
> Somsak O.
> <mailto:[log in to unmask]>[log in to unmask]
> -----Original Message-----
> From: John Blankevoort
> <<mailto:[log in to unmask]>[log in to unmask]>
> To: Wichet R. <<mailto:[log in to unmask]>[log in to unmask]>
> Cc: Morgan Taylor
> <<mailto:[log in to unmask]>[log in to unmask]>;
George E
> Powell
<<mailto:[log in to unmask]>[log in to unmask]>;
> <mailto:[log in to unmask]>[log in to unmask]
> <<mailto:[log in to unmask]>[log in to unmask]>;
> <mailto:[log in to unmask]>[log in to unmask]
> <<mailto:[log in to unmask]>[log in to unmask]>
> Date: Sunday, November 14, 1999 7:18 PM
> Subject: RE: PCB Fabrication,Vendor Supplier Survey & ESD Requirements
>
> Wichet,
>
> Thank you for your thorough response. It is encouraging to see that we
both
> use the same IPC documents to reference our standards and guidelines. I
would
> like to add that IPC-RB-276 is further supplemented by the IPC-6011
series.
>
> As you are aware our vendor survey does not cover PCB
> fabrication/manufacturing issues. It is appreciated that you have
supplied a
> sample Process Audit Report for the PCB vendor survey/audit scheduled for
> this November. I did notice on this report that there was no Form # or
> Revision on the document. We are looking for the link back to your
internal
> documents, please advise.
>
> Our greater concern is the quality of the PCB manufacturer that you will
be
> selecting. Naturally we have been in close contact with our current PCB
> suppliers and we know the product quality. In considering your upcoming
audit
> of your PCB supplier please be aware that in addition to an audit/survey
> copy, we would like to request the following items:
>
> Company Name & Point of Contact
> Location of Supplier
> Company History (products, delivery, capability, capacity etc)
> List of internal Workmanship Standards
> Manufacturing Process
> Manufacturing Order/Travelers (sample is ok)
> Testing & Inspection
>
> And potentially for future use, PCB Coupon samples of:
>
> System, Sensor and Illumination PCB's, microsectioned according to
> IPC-TM-650. We are looking for all IPC-A-600 Class 2 acceptability
criteria.
> Please ensure that adequate micro sectioning methods are used, for if
> improperly done these methods can conceal anomalies rather than revealing
> them.
>
> The ESD protocols for your assembly areas are appropriate. All personnel
are
> conscious of the potential ESD hazards and are wearing wrist straps. It
is
> further reassuring to hear that you would make provisions in your Class
10K
> SMT and Reflow areas to accommodate the wrist straps for our product as
well.
> It would be requested that some language be added to your current
internal
> ESD plan(?) that describes this added measure for our ZAPPER product. I
am
> assuming however, that procedure # 90-00015 Handling, Storage, Packaging,
> Preservation and Delivery...contains this requirement, please advise.
>
> Wichet, during our visit/survey last week my colleagues and I were very
> impressed with the Stars facility. Your efforts should be applauded as we
> recognized throughout the facility, the process controls, documentation,
> accept/reject criteria for every process station we visited.
>
>
> John Blankevoort
> Manufacturing & QA
> ZAPCODE Products Corporation
> 435-881-0922
>
> -----Original Message-----
> From: Wichet R. [mailto:[log in to unmask]]
> Sent: Friday, November 12, 1999 4:28 AM
> To: [log in to unmask]
> Cc: [log in to unmask]; [log in to unmask]
> Subject: PCB Fabrication,Vendor Supplier Survey & ESD Requirements
> Let me introduce myself , my name is Wichet and I am in charge of Quality
&
> Reliability Assurance in STARS. According to your e-mail to Mr. Somsak &
Mr.
> Polsak regarding " PCB Fabrication , Vendor Supplier Survey & ESD
> Requirements" ,I would like to provide the information which PCB
manufacturer
> use as standards to you as following.
> 1. What standards or processes do you use for Class 2 PCB Fabrication?
> * IPC-RB-276 "Qualification and Performance Specification for rigid
board".
> * IPC-ML-950 Rev. C "Performance and Specification of Multilayer
Printed
> Wiring Board"
> 2. What standards or processes do you use for Class 2 HASL ( Hot Air
Solder
> Leveling ). QQ-S-571 for standards SN63?
> * IPC-S-804 Rev.A "Solderability Test Method for Printed Wiring
Board."
> * QQ-S-571"Standard for 60Sn/40Pb."
> 3. If applicable , what standards or processes do you use for Class 2
> Preconditioning of the PCB.
> * IPC-S-804 Rev.A "Solderability Test Method for Printed Wiring
Board".
> * QQ-S-571 "Standards for 60 Sn/40Pb."
> 4. What standards or processes do you use for Class 2 PCB Test Methods
for
> Micro sectioning.IPC-TM-650 Micro sectioning?
> * IPC-TM-650"Test Method Manual".
> * IPC-RB-276
> * IPC-ML-950
> 5.What standards or processes do you use for Class 2 PCB Test Method for
> Continuity Testing?
> * Reference to MIL55110 Rev.E . For open circuitry is 20 Ohm and short
> circuitry is 5 Mega Ohm.
> 6.What standards or processes do you use for Class 2 PCB Solder Mask
> aplication?
> * IPC-SM-840 Rev. B"Qualification and Performance of Permanent Polymer
> Coating ( Solder Mask ) for Printed Board."
> 7. Other standards that PCB manufactuer use as.
> * IPC-D-300 Rev.G"Printed Board Dimension and Tolerance".
> * IPC-A-600 Rev.E "Acceptability of Printed Board".
> 8. As we are using the approved PCB manufacturer by Alactel ,so that we
do
> not have the vendor survey information for this PCB manufacturer yet. But
we
> do have plan to perfrom audit for this PCB manufacturer by ourselves on
dated
> 22-Nov-1999. We also send the sample of the audit report for other part
> manufacturer which we conducted such audit for your reference in the
attached
> file.
>
> 9. ESD. We reference to EIA standard : EIA-625 for ESD practice in STARS.
> 9.1 According to your concern that the skin is not contact with a
conductive
> path to ground and consequently may discharge through an assembly when
> handle. We would like to inform that we will be implementing wrist strap
for
> operator throughout assembly line in order to avoid such problem.
>
> Please kindly review the above issue and advise any comment you may have.
>
> Thank you & Best regards
>
> Wichet R.
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