---------- > 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. ############################################################## TechNet Mail List provided as a free service by IPC using LISTSERV 1.8c ############################################################## To subscribe/unsubscribe, send a message to [log in to unmask] with following text in the body: To subscribe: SUBSCRIBE TECHNET <your full name> To unsubscribe: SIGNOFF TECHNET ############################################################## Please visit IPC web site (http://www.ipc.org/html/forum.htm) for additional information. If you need assistance - contact Gayatri Sardeshpande at [log in to unmask] or 847-509-9700 ext.5365 ##############################################################