用于氩和氪激光管防护窗组合件的封装玻璃料里的铅的氧化物.

Lead oxide in seal frit used for making window assemblies for Argon and Krypton <em>laser</em> <em>tube</em>s.

选择半导体激光管。

To choose laser diode.

量子阱半导体激光管

Semiconductor quantum well laser diode