Method for mfg of net screen of electrode free illumination device

A technology for lighting devices and manufacturing methods, applied to circuits, discharge lamps, electrical components, etc., can solve the problems of metal plating deformation, discoloration or accelerated oxidation, shortened service life, etc., to achieve enhanced retention strength, improved light characteristics, improved The effect of the characteristic

Inactive Publication Date: 2004-06-09
LG ELECTRONICS (TIANJIN) APPLIANCES CO LTD
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  • Application Information

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Problems solved by technology

[0020] But the mesh screen (20) that utilizes the manufacturing method of the mesh screen of the prior art as mentioned above to make out owing to can remain various organic matter or acidic substance when the surface is plated with metal, therefore exceeds 1000 ℃ high temperature in bulb (5) Under certain conditions, the residues in the coating will evaporate and cause deformation of the metal coating
[0021] In addition, the mesh screen (20) in the high temperature environment will also have the phenomenon of coating separat

Method used

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  • Method for mfg of net screen of electrode free illumination device
  • Method for mfg of net screen of electrode free illumination device
  • Method for mfg of net screen of electrode free illumination device

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Embodiment Construction

[0049] Such as Figure 5 As shown, the manufacturing method of the mesh screen of the electrodeless lighting device of the present invention is realized in the following order: the metal sheets of a certain thickness are respectively cut into quadrilaterals and circles so as to form the base material forming stage of the basic base material (S 1 ), in order to form a network structure on the above-mentioned basic base material, it is etched (etching) to form a mesh formation stage that constitutes a network structure (S 2 ), if the mesh structure has been formed, then after the cylindrical portion (21) is made, the cover portion (25) is assembled on the cylindrical portion (21), thereby forming a mesh forming stage (S 3 ), the first metal coating stage (S 4 ), the vacuum heat treatment stage (S 5 ), the second metal coating stage (S 6 ), coated with a photocatalyst substance (TiO 2 ) photocatalyst coating stage (S 7 ).

[0050] The procedures of the above-mentioned stage...

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Abstract

A processing method for a mesh of no-electrode illuminating device includes a mesh forming step making a mesh with net structure, a first metal coating step coating a first metal substance on the mesh surface, a vacuum heat treatment step, a second metal coating step coating a second metal substance on the surface, a light catalysis coating step coating a light catalysis substance on the mesh surface among which, the first metal substance is Ni, and second is Ag and the light catalysis substance is an oxide containing TiO.

Description

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Claims

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Application Information

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Owner LG ELECTRONICS (TIANJIN) APPLIANCES CO LTD
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