Supplier Quality Assurance
Incoming purchased parts and materials are inspected to make
sure that they conform to specification/drawing requirement
before releasing to stock.
Manufacturing Quality
Control
Each product, parts inspection and testing shall be performed in
according with COSONIC testing procedure.
QC Inspection
*Roving Inspection and Test Equipment Monitor
A three hours basis to verify the material, tools and operation
procedures are adequate and results meet acceptable criteria.
*QA Outgoing Inspection
Products passed through final test will be controlled by lot
acceptance sampling inspection to verify product function and
packing configuration before shipping to customer.
Statistical Process Control
and Analysis
* QA department will develop the statistical process control
program (X-R, P, U Chart) to insure the process and product
consistency.
* Production/Manufacturing engineering department to provide
failure analysis and proposal of corrective action.
* QA department to follow up corrective action.
Calibration of Measuring
Equipment
QA department is to determine which assigned equipments required
calibration. Measuring and testing devices are not allowed
to use directly to the products without calibration. All the
measuring devices and tools that are calibrated shall have a
calibration card on the file, showing due date, calibration
date, inspection stamp. All measurement standards used for
calibration shall have the capabilities for accuracy, stability,
range and traceability to National Bureau of Standards.
Corrective Action Request
A notification of corrective action is to be given by COSONIC to
related department people, subcontractors and vendors to assure
the effective action is taken to remove the immediate problem
symptom and to prevent recurrence of discrepancy during
manufacturing.
Reliability and Failure
Analysis
* Reliability
Reliability is the probability of performing without failure a
specific function under given condition for a specified period
of time.
We take periodically samples from current products for the life
time and MTBF (Mean Time Between Failure) calculation and
related items customer referred.
* Failure Analysis
The failure analysis programs are performed to find out defects
causes and defects location according to the inspection or
testing daily report.
Record Retention
COSONIC shall maintain a complete record of quality control
actions, those data to be used as evidence of previous actions
required and / or taken, those records are kept in an orderly
arrangement for future reference.
Document Control
All manufacturing related documents should be signed off by
authorized people to control in a manner that assures timely
incorporation of design and quality requirement before
issuing/control by document control center to the latest
revision level.
Non-conforming Material
Non-confirming material shall be kept in special container with
clear identification. A discrepant material report shall be
generated and processed through the related department, then
notify MRB for a material review and disposition, a corrective
action report shall be generated to the responsible parties for
non-conforming material.
Storage, Handling and
Delivery
All the incoming material shall be marked with "pass"
or "reject" labels after incoming inspection in prior
to move into stockroom.
Packaging and shipment of products to customer will be properly
taken as the statement in the specific orders.
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