Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
COATING-NOZZLE INSPECTION APPARATUS, INSPECTION METHOD AND COATING METHOD OF COATING LIQUID
Document Type and Number:
Japanese Patent JP2009160546
Kind Code:
A
Abstract:

To provide a coating-nozzle inspection apparatus which inspects whether a large number of fine coating liquid amounts formed in a coating nozzle are suitable, to be able to estimate suitability of a discharge amount, in an inspection method of the coating nozzle using for coating of a fluorescent material and a pigment material of a display device.

While a liquid is continuously discharged from a discharge opening 92 to form a column-like flow, light is cast 35, 36 to the column-like flow to measure the brightness of transmitted light. As the state of the transmitted light changes according to the diameter of the column-like flow, the difference of discharge amounts can be inspected by treating obtained information of the brightness.


Inventors:
KURAMATA OSAMU
SASAMOTO HIROKATA
NAGAI HIROSHI
KAWAGOE TAKUYA
Application Number:
JP2008001980A
Publication Date:
July 23, 2009
Filing Date:
January 09, 2008
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
TORAY INDUSTRIES
International Classes:
B05C11/00; B05C5/00; B05D1/26; G01B11/10
Domestic Patent References:
JP2007296482A2007-11-15
JP2001157863A2001-06-12
JP2003136685A2003-05-14
JPH0850009A1996-02-20
JPS61128112A1986-06-16
JPH0926399A1997-01-28
JP2004160889A2004-06-10
JP2007076265A2007-03-29
JP2004160449A2004-06-10
JP2006343128A2006-12-21
JP2000233520A2000-08-29
JP2008093531A2008-04-24
JP2000190469A2000-07-11
JPH05293417A1993-11-09
JP2009095826A2009-05-07
JP2001118502A2001-04-27
JP2004358353A2004-12-24
JP2004314048A2004-11-11
JP2007117879A2007-05-17
JP2004090621A2004-03-25
JP2006334995A2006-12-14
JP2007296482A2007-11-15
JP2001157863A2001-06-12
JP2003136685A2003-05-14
JPH0850009A1996-02-20
JPS61128112A1986-06-16
JPH0926399A1997-01-28
JP2004160889A2004-06-10
JP2007076265A2007-03-29
JP2004160449A2004-06-10
JP2006343128A2006-12-21
JP2000233520A2000-08-29
JP2008093531A2008-04-24
JP2000190469A2000-07-11
JPH05293417A1993-11-09
JP2009095826A2009-05-07