Quality

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PCB Quality is the core of products. All of engineer & vital department guys has more than seven years experience in PCB industry, we follow up the default PCB standard, as well as with clients' special request.


All the PCB & MCPCB are strictly follow the operation procedures stipulated in ISO9001:2000 in respect to material purchasing, product manufacturing, testing, packing, marketing, etc. For example, during the production of PCB, all the garments must be checked piece by piece under strict on-site and final quality control.


We set up QA system according to TS16949, build up procedure to aim specifically at the prevention of problems and the elimination of root causes, provides complete traceability of material and detailed processing history for all products manufactured. Statistical process control (SPC) and process failure mode and effect analysis (PFMEA) are mechanisms used for continuous improvement.

Our quality management system is designed to provide satisfaction for our customers with defect-free circuit boars that conform to their requirements and are delivered on time. SHUNG CHING is committed to quality and the achievement of excellence throughout all company activities.


Reliability Test

Check Items
Equipment
Specification
Frequency
Purpose
         △
DSC(Eternal)
△ Tg < 5℃
Twice/month
Assure the lamination condition is OK
Surface insulation
SIR & Chamber
1.0X 1010 Ω Min
4 Pcs/month
Assure the raw material condition is OK
Solderability
Solder Pot
ANSI / STD-J-003
Once/Shipping Lot
Assure the SMT wettability
Thermal Stress
Solder Pot
IPC-6012B
3Pcs/week Important products
Assure the via hole copper reliability
S/M Abrasion Test
6H Pencil
IPC-SM-840D
3Pcs / week
Assure the S/M curing complete & quality
Via Hole THK & Dielectric THK
Microsection &500X Microscope
IPC-6012B &Customer spec.
Once / Shipping Lot
Assure the quality of lamination and plating process
Impedance
Polar
Customer Spec.
Once / Shipping Lot
Assure the quality of Impedance
High Voltage
Hi-Pot
Customer Spec.
Once / Shipping Lot
Assure the quality of insulation






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