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Application method, applicator, optical member, and optical device

a technology of optical components and optical devices, applied in the field of application methods and applicators, can solve the problems of reducing the transmittance of optical systems and degrading image contrast, and achieve the effects of enhancing functions, increasing efficiency, and high performan

Inactive Publication Date: 2007-11-01
SAKURADA KAZUAKI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This approach enhances the uniformity and efficiency of the coating process, reducing film thickness variations and improving the performance and functionality of optical lenses by ensuring most of the liquid is retained on the surface, thereby achieving high-quality, uniform coatings.

Problems solved by technology

Surface reflection reduces the transmittance of optical systems and increases light not involved in image formation, thus degrading image contrast.

Method used

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  • Application method, applicator, optical member, and optical device
  • Application method, applicator, optical member, and optical device
  • Application method, applicator, optical member, and optical device

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Embodiment Construction

[0026] In order to achieve the foregoing objects, a method of the present invention is used for applying a treatment liquid onto a surface of a member. In the method, the treatment liquid is applied in droplet form onto the surface of the member. The surface is divided into a plurality of regions according to the shape of the surface of the member, and an application quantity is controlled for each of the regions.

[0027] In an application method according to the present invention, a treatment liquid is applied in droplet form, and, thus, most of the treatment liquid is left on the surface of the member as it is. Hence, the treatment liquid is used with a high efficiency. Also, by controlling an application quantity for each of the plurality of regions into which the surface of the member has been divided according to the shape of the surface, the difference in film thickness between the upper side and lower side of the surface due to gravity can be reduced.

[0028] For example, by se...

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Abstract

An applicator including a liquid discharge head for discharging a treatment liquid in droplet form, and a discharge control device for controlling the discharge of droplets from the liquid discharge head. The discharge control device divides a surface of a member into a plurality of regions according to the shape of the surface, and controls the application quantity for each region.

Description

CROSS REFERENCE TO RELATED APPLICATIONS [0001] This application is a divisional patent application of U.S. Ser. No. 10 / 630,354 filed Jul. 30, 2003 and claims priority to Japanese Patent Application Nos. 2002-226069 filed Aug. 2, 2002 and JP 2003-198657 filed Jul. 17, 2003, all of which are hereby incorporated by reference.FIELD OF THE INVENTION [0002] The present invention relates to a method of application and an applicator, and particularly to a technique for applying a treatment liquid onto a surface of a member such as an optical member. BACKGROUND OF THE INVENTION [0003] Surfaces of plastic eyeglass lenses and other optical lenses are generally subjected to treatments for enhancing their performance and functions. Examples of such treatments include a primer coating, a hard coating, a dyeing treatment, and an antireflection treatment. [0004] Primer coatings give an optical lens the function of enhancing the adhesion between the optical lens substrate and a hard coating film, an...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): B05D1/02G02C7/02B05C5/00B05D1/00B05D1/26B05D3/00B05D7/00G02B1/10G02B1/11G02B1/115G02B1/14
CPCG02B1/105B29D11/00923B29D11/00865B29D11/00009G02B1/14B29D11/00317B05D1/00G02B1/11
Inventor SAKURADA, KAZUAKITAKADA, KEISUKE
Owner SAKURADA KAZUAKI