半导体二极管

In 1961 they published the first carrier will be injected into the semiconductor PN junction to achieve the "injection laser" exposition and demonstration in the tunnel diodes as high as in Jane and the PN junction to achieve population inversion (which is Produced by stimulated emission of the necessary conditions for) the possibility, but also that active high-density areas around the most active carrier of the border areas on both sides of the refractive index of a difference, creating optical waveguide effect.

他们又于1961年最先公开发表将载流子注入半导体PN结以实现"注入激光器"的论述，并论证了在如隧道二极管中那样高度简并的PN结中实现粒子数反转(这是产生受激发射的必要条件)的可能性，而且还认为有源区周围高密度的多数载流子造成有源区边界两边的折射率有一差值，因而产生光波导效应。

Low melting point, low viscosity of the mixtures with alicyclic epoxy resins, long applicable period, high heat-resistance of the cured material and excellent electrical properties at high temperature, MHHPA is widely used for impregnating electrical coils, casting electricity components and sealing semiconductors, e.g.

MHHPA是炮炼凝固型酸酐类凝固剂，关键用于电气及电子方面，它拥有熔点低、与脂环族环氧松脂合成的默契物粘度低、适用期长、凝固物的耐热性高、高温电机能好等长处，可用于电气设备线圈的浸渍及电气元件的浇铸和半导体的密封，如户外绝缘子、电容器、反光二极管等、数码管等。

Photodiode and photosensitive audion are a photoelectricity change semiconductor device , to have sensitiveness height , the high frequency function is good , the reliability energy is good , reliability is good , volume is small compared with photosensitive electrical resistor.

光敏二极管和光敏三极管是光电转换半导体器件，与光敏电阻器相比具有灵敏度高，高频性能好，可靠性能好，可靠性好，体积小。

Simulation of PN junction diode lays the foundation for the simulations of other semiconductor elements.

本文结合非耦合数值方法，通过求解半导体方程对PN结二极管进行模拟分析，得到了一些重要物理参量分布，这为深入研究电磁辐射对半导体元件的干扰奠定了基础。

Light-emitting diode and Laser diode are widely used in everywhere of human life now.

半导体发光器件如发光二极管和激光器二极管在和人类生活相关的许多领域都获得了广泛应用。

LED is the core of the P-type semiconductor and components of the N-type semiconductor chips.

发光二极管的核心部分是由P型半导体和N型半导体组成的晶片。

In order to control the temperature of the laser-diode ,a semiconductor cooler ——— PELTIER is applied and the technique of fuzzy and PI control method are adopted either.

利用半导体致冷器对大功率激光二极管进行致冷和精密温控，采用模糊控制与PI 控制相结合的方法，构造了激光二极管的全固态致冷系统。

A mathematical model of the relationship between penetrability and temperature was developed and all working parameters were set up.

分析了半导体吸收波长随温度的变化特性，选用红外发光二极管作为信号光源，光纤采用石英光纤，设定这类半导体吸收式光纤温度传感器的基本参数，建立了半导体材料GaAs的透过率与温度关系的数学模型。

Vishay Semiconductors offers a wide range of semi- conductor components including transistors, diodes and opto-electronic components.

日前，Vishay半导体公司提供了半导体元件，包括晶体管，二极管和光电元器件广泛的范围。

What's more, the company has many years of experience in the aspects of power MOSFET, radio frequency tube and driving power module, and it breaks through the international monopoly to apply its products in several fields, including IT, digital, communications, illumination, security, and automotive electronics, etc.

SMD封装事业部在国家民营企业中，率先引进美、日等国的半导体封装设备，生产半导体分立器件和被动元件，已拥有全自动生产线28条，年产SMD（二极管、三极管、集成电路、电容器）等无铅无卤环保产品50多亿只，特别在功率场效应管和射频以及驱动电源模块方面，集多年的技术经验，突破国际垄断，产品广泛应用于IT、数码、通讯、照明、消费类汽车电子等领域。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。