Single-surface multi-point non-contact pattern test method

Abstract

The invention scheme discloses a solution scheme of a single-surface multi-point non-contact pattern test method. The solution scheme of the single-surface multi-point non-contact pattern test method comprises the following steps: introducing CAD graphics into AOI automatic optical inspection machine, and calling out test procedures; placing graphics products having photoresist after etching into a test platform, and shifting in with the platform; entering linear CCD scan tests in which a machine automatically compares calculation results with standard test procedures and at the same time defect detection operations are carried out; displaying detection results to a man-machine interface by programs, recording unqualified parts, marking or printing out, and shifting out with the platform; taking out, by people, objects to be tested; and sending defective products to a rework station for short-circuit repair. Through use of the method of the solution scheme, the problem in the single-surface multi-point non-contact pattern test method can be solved, and the product detection efficiency can be improved. At the same time, the problem that the AOI automatic optical inspection machine has difficulties in high penetration to ITO graphics can be avoided, and the bottleneck problem in product processes can be broken through.

Description

technical field [0001] The invention relates to the field of utilizing an automatic optical detection system, in particular to a single-sided multi-point non-contact pattern testing method. Background technique [0002] Capacitive touch screen is a new generation of market-oriented touch screen after resistive touch screen. It has a qualitative leap in performance compared with the previous generation. It not only responds sensitively, but also supports multi-touch, making touch products playable. Performance and operability are greatly improved. Capacitive touch screens traditionally use fixtures for short-circuit testing, and the new generation of OGS products is a new development direction for capacitive touch screens. From a technical perspective, OGS technology is more advanced than the current mainstream G / G touch technology. It is simple, light, thin, and has good light transmission; because it saves a piece of glass substrate and bonding process, it is beneficial to...

AI Technical Summary

Problems solved by technology

However, in the actual R&D and production process, this technology is faced with the problems of complex OGS graphics and difficulty in detecting short-circuits. The traditional detection method takes too long to debug and the probes are too dense, which makes it difficult to improve detection efficiency.

Therefore, there is no better solution for searching for OGS graphic detection problems

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