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Application of Precision Alignment Technology in Precision Boarding of Plasma Display Panel(PDF)

南京师范大学学报（工程技术版）[ISSN:1006-6977/CN:61-1281/TN]

Issue:
2008年02期
Page:
15-18
Research Field:
Publishing date:

Info

Title:
Application of Precision Alignment Technology in Precision Boarding of Plasma Display Panel
Author(s):
Wang Haichun; Zhang Jinlong; Pan Shili
School of Electrical and Automation Engineering,Nanjing Normal University,Nanjing 210042,China
Keywords:
p lasm a display pane; l precision a lignm ent;  da ta co llection;  prec is ion dr ive
PACS:
TN873
DOI:
-
Abstract:
An automa tic prec is ion measur ing and position ing device o f a p lasm a d isp lay panel is presen ted. H igh-precision po sition m easurem ent is imp lem ented based on laserM o iré signa.l A ccording to them easuredM o iré signa,l industr ial con tro l com puter sends mo to rs contro l pu lses to drivewo rkbench tom ake the a lignm ent dev ice obta in h igh positioning accuracy au tom atica lly. M ult-i thread techn ique is emp loyed in the contro l system. V isua lB asic is applied to m ake the so ftw are p la tform in terface and Borland C+ + is introduced to program the softw are contro lm ode ls o f data co llection, alignm ent contro ,l dev ice drive and data managem ent, respective ly. Follow ed by them ethod proposed in this paper, the precision a lignm ent o f the system wh ich can reach the prec ision of ± 1 μm is achieved.

References:

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Last Update: 2013-04-24