FR型(反射腔式)半导体数字管

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FR型(反射腔式)半导体数字管

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- FR型(反射腔式)半导体数字管
- Chinese Journal of Luminescence Vol. 2, Issue 1, Pages: 95-95,83(1981)
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- Published：02 March 1981
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. FR型(反射腔式)半导体数字管[J]. 发光学报, 1981,2(1): 95-95,83

. [J]. Chinese Journal of Luminescence, 1981,2(1): 95-95,83
. FR型(反射腔式)半导体数字管[J]. 发光学报, 1981,2(1): 95-95,83 DOI：

. [J]. Chinese Journal of Luminescence, 1981,2(1): 95-95,83 DOI：

摘要

最近广东省佛山市光电器材厂研制成功了FR型(反射腔式)半导体数字管

并开始批量投入生产.过去

国内半导体数字管多采用扁平型封装

数字每段由光刻法刻出四个并联的二极管芯.一个数字管七段连小数点共要29个管芯

功耗大(每段工作电流为20mA)

视感面积狭小

工艺上均匀性、一致性控制很困难

成品率低

成本昂贵.因此

没有多大的实用价值

面临淘汰的局面.

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