Apparatus and method for electrical contact testing of...

Details Apparatus and method for electrical contact testing of... Apparatus and method for electrical contact testing of...

2006-03-28

2006-03-28

Ramirez, Nestor (Department: 2829)

Electricity: measuring and testing

Impedance, admittance or other quantities representative of...

Lumped type parameters

Reexamination Certificate

active

07019549

ABSTRACT:
The invention includes a method and apparatus for electrical contact testing of LCD panels. In this invention the said system apparatus consists of a frame, x,y,z translation devices, a vision unit, a rotary direct drive mechanism for positioning, an integrated tester, LCD holding device, and a probe card. Electrical contact testing is achieved via:A LCD panel to be electrically tested is placed on the chuck and held down with vacuum.The x-y translation device then aligns the fixed substrate with the test head and probe card via a vision unit.The rotary mechanism corrects for any angular errors for accurate probe contact.Once aligned the probe device makes contact with the bond pads located on the panel.Electrical test signals are then sent from the integrated tester via probe card pins to measure storage capacitance to determine defects present in the panel.

REFERENCES:
patent: 6809544 (2004-10-01), Liao et al.

Affiliated with

Also associated with

Rating

Apparatus and method for electrical contact testing of... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Apparatus and method for electrical contact testing of..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus and method for electrical contact testing of... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3553921