Rohm has forged ahead in these areas, too, concentrating its efforts on nonpolar substrates. 罗姆公司在这些领域也有相当进展,不过主要是在非极性基板方面。
The groups from U.C.S.B. and Rohm are developing a new way to grow the crystalline layers of gallium nitride and related alloys that make up a laser diode. 加州大学圣巴巴拉分校和罗姆公司的研究团队正在开发新技术,以制作氮化镓结晶层以及构成雷射二极体的相关合金。