Anti-frost goggles and method for manufacturing the same

Details Anti-frost goggles and method for manufacturing the same Anti-frost goggles and method for manufacturing the same

A - Human Necessities

61

F

A61F 9/02 (2006.01) G02C 7/02 (2006.01) G02C 11/08 (2006.01) H05B 3/84 (2006.01)

Patent

CA 2327006

Disclosed are anti-frost goggles and a method for manufacturing the same. The method involves the steps of thermally shrinking a thermoplastic resin film, sputtering a tin oxide on the thermoplastic resin film at a plurality of separate parallel regions, thereby forming heating elements on the thermoplastic resin film at the regions, respectively, forming electrodes in pair on the heating elements using a negative masking printing process, plating, on the thermoplastic resin film, a pair of power supply lines each connected to associated one of the electrodes formed on each of the heating elements while having a desired thickness, using a negative masking printing process, forming a transparent coating over the resulting structure obtained after the plating of the power supply lines, using a spray coating process, cogging power terminals to the thermoplastic resin film at regions where respective ends of the power supply lines opposite to the electrodes are arranged, forming PTC thermistors on a selected one of the power supply lines at regions where the selected power supply line is connected to the associated electrodes, respectively; and cutting the thermoplastic resin film to hare a desired shape, and conducting a resistance test for the resulting structure obtained after the cutting of the thermoplastic resin film.

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