Electrostatic Application Method And Electrostatic Application Apparatus
An electrostatic coating and coating technology, which is applied to spray discharge devices, devices for coating liquids on surfaces, coatings, etc., can solve the problems of difficult timing control, insufficient coating amount of liquid 1, discontinuity, etc., to prevent confusion. , to achieve the effect of takt time and improve responsiveness
Active Publication Date: 2015-05-27
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD
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Problems solved by technology
[0024] In this electrostatic force-based attraction, since the application of the voltage is stopped, Figure 18 The unstable state of (b) also continues, so the timing control for stopping the relative movement of the nozzle 2 and the object 4 to be coated is very difficult, and the position where the liquid collection part 34 is disconnected from the object 4 to be applied m
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The present invention realizes the application which is good in edge linearity and uniform in pattern width. In an electrostatic application method, by applying a potential difference, a liquid gathering part extending towards an application object side is formed at the front end of a nozzle, and the front end of a pin in the nozzle is configured to protrude towards the liquid gathering part, so that the front end of the liquid gathering part is contacted with an application object, and the liquid contained in the nozzle is applied to the application object.
Description
technical field [0001] The present invention relates to an electrostatic coating method in which various liquids are finely drawn from the tip of a nozzle by electric power to form a fine pattern on a substrate. Background technique [0002] Conventionally, as a method of forming fine droplets to coat a fine pattern on a substrate, for example, a method using electrostatic attraction as described in Patent Document 1 is known. [0003] Figure 12 The method of patent document 1 is shown. [0004] In this method, the nozzle 2 is arranged to face the surface of the object 4 to be coated, a pulse voltage is applied from the power supply unit 30 between the object 4 to be coated and the nozzle 2, and the liquid 1 at the tip of the nozzle 3 is transferred to the surface of the object 4 by electrostatic force. The object to be coated 4 is sucked, and the liquid droplet 31 is dropped onto the object to be coated 4 . [0005] Although Patent Document 2 does not apply to an object ...
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Login to view more IPC IPC(8): B05D1/04B05B5/025
CPCB05B5/10B05D1/26B05D1/265B41J2/06B41J2/065B41J2002/061
Inventor 中平航太堀川晃宏名木野俊文土田修三
Owner PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD
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