外延

GaAs RF switch MMICs for cellular phone; GaAs RF power amplifier MMICs for cellular phone; GaAs RF switch MMICs for base station; GaAs RF attenuator MMICs for base station; RF module for base station; GaAs power amplifier MMICs for CATV; MOSFET power devices;SAW resonators; SAW filters; SAW duplexers; N type and P type 4＂-6＂silicon epitaxial wafers.

这次参展的产品有：用于移动蜂窝电话的砷化镓射频单片集成电路；用于移动通信基站的射频IC及电路模块；用于CATV的砷化镓IC；MOSFET等功率器件；声表面波谐振器；声表面波滤波器；声表面波双工器；4＂-6＂N型和P型各类硅外延片。

There are three proce dures in LED production, namely epitaxial wafer, tube core and encapsulation.

在LED生产过程中，主要有外延片生长、芯片和封装三个环节。

The experimental results prove that the fall time of IGBT increases when increasing the thickness of the epitaxial layer.

实验结果证明IGBT的下降时间随着外延层厚度的增加而增加。

Recent important progress in the growth of high quality epitaxial GaN thin films is reviewed.

综述了高质量GaN外延薄膜的生长研究工作的最新重要进展。

It was epitaxial growth during the crystallization and growth of copper and nickel.

铜和镍的结晶与生长过程中存在外延生长，形成了（111）晶面择优取向。

All kinds of analysis systems in MBE system can in situ detect the quality of the epitaxial chip.

同时MBE生长系统中的各种外延生长测试系统可以对晶体的生长质量进行在位监控。

Motorola is the first to use the epitaxial method, developed by Bell Labs, to mass produce semiconductors.

摩托罗拉是第一个使用外延方法，贝尔实验室开发的，以大规模生产的半导体。

Then a set of monitoring system, which was used in the epitaxial growth process of GaN film was designed.

但由于缺乏大尺寸的GaN基体材料，所以只能在其他衬底上进行异质外延生长。

In other words, the epitaxial growth is not from the operation and management performance improvement, so the quality is not high.

换言之，这种外延式增长并不是来自经营管理绩效的提升，因此质量并不高。

Devices made with strained epitaxial films of this material can be much faster than devices that exclusively use silicon.

由这种材料的应变外延薄膜制作的器件可以比单独由硅制作的器件快的多。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐