<Implemantation of AOI>

This is view of points of a SMT onlooker in AOI (Auto-Optical Inspection) which
benefits to end users and principals.

             (Shift)                            (Bridge)                           (Lifted)

Photo 1 ~ 3 : Showing actual defectives implemented by a factory in 6 months.

      

                (Excessive parts)                                        (Cold Joint)

Photo 4 ~ 5 : Showing defectives after refine the tuning and inspection.

Scenario:
- 2009 AOI Machine
- Japan Manufacturer
- 5 years experience in AOI manufacturing
- Availability of principal support
- Experienced engineers

How could this still happen with this condition applied?

Analysis as follows could explain the scenario abovementioned:
(1) Insufficiency of inspection and assurance on defectives.
(2) Lack of quality affirmation on defectives.
(3) Lack of meticulousness in product assurance.
(4) Setting "lifted" is not applicable to raise pass rates.
(5) Stagnancy during staff turnover.
(6) Quick and rough measurement without thorough reforms.
(7) Disregard advanced training provided by manufacturer.
(8) Wastage in utlization of analyzable tools for purspose of higher detections.
(9) Lack of workmanship with professional sceptism.
(10) Lack of alerts to Management when repeated problems are unable to resolve.
(11) Lack of knowledge in AOI.

Reasons abovementioned shall be shared among users and AOI manufacturers.

AOI manufacturers and related engineers are more familiar with the setup of AOI though.
However, knowledge in PCBA-QA, especially applicable on types of defectiveness, outbreak frequency, demanded quality level, etc. are required in order to produce high and quality performance.

:: Quoted by Mr.Berdie, 19-Oct-2009 ::