応用物理
Online ISSN : 2188-2290
Print ISSN : 0369-8009
ISSN-L : 0369-8009
透明電極用蒸着金膜の研究 (I)
和地 洋平
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ジャーナル フリー

1958 年 27 巻 2 号 p. 72-77

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When some uniaxial single crystal such as K. D. P. or A. D. P. is used as a Kerr cell shutter or for other electro-optical purposes, the electric field must be supplied in the direction of the light path. Thus transparent electrode is required and the so-called “Nesa glass” offers one of ways answering this requirement. But because of its high resistivity, it was reported that the “Nesa glass” could not response to high frequency signals. Another pos-sibility of obtaining transparent electrode is the use of gold film evaporated by a suitable method. In this study, structure, electrical resistivity, light transmission, and capacity of full-coated and grid-coated gold films are measured for the purpose of examining that pos-sibility. Following results are obtained: (a) Full-coated film, 100A in thickness, had 20 ohm resistivity and 35% transmission so this is but a very inefficient electrode (b) One of grid-coated films had a few ohm resistivity, 50% transmission and 84% capacity. Hence, (c) if circumstances permit a little higher resistivity, it is possible that both transmission and capacity are increased by choosing a suitable grid form, and it is believed that high trans-parent and low resistance electrode is obtained by grid-coated gold films.

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