衬底，分为绘图衬底，和化工学衬底两种。绘图衬底指的是将图片或文字充满整个版面使其为底纹。化工学衬底最常见的为氮化物衬底材料等。
n. substrate ; underlayment ; substratum
misc. supporting base
硼对亚共晶Al-Si合金的细化作用 - TNMSC 关键字: 亚共晶Al-Si合金；细化作用；形核；衬底[gap=717]Key words: hypoeutectic Al-Si alloys; refining effect; substrates; nucleation
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LED产业中PSS即蓝宝石图形化衬底（patterned sapphire substrate），所谓PSS技术就是经过在蓝宝石衬底表面制造具有纤细构造的图形,改动了GaN 的生长过程,能有效地抑制材料中位错的向上延伸,提升器...
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硅衬底 [电子] silicon substrate ; silicon base ; silicon body
陶瓷衬底 [电子] ceramic substrate
玻璃衬底 [电子] glass substrate
绝缘衬底 isolated substrate ; insulating substrate
半导体衬底 semiconductor substrate ; semiconductive body ; semiconductor blank ; semiconductor substrate,semiconductor substrate
衬底偏置 [电子] substrate bias
外延衬底 epitaxial body ; epitaxial substrate
单块衬底 [电子] monolithic substrate
有源衬底 active substrate
Sapphire is the most commonly used substrate for the GaN epitaxy.
目前，蓝宝石是GaN异质外延最常用的衬底材料。
参考来源 - 硅基GaN薄膜材料及紫外探测器原型器件研究Under the same experiment conditions, GaN nanorods were synthesized on quartz substrate.
在相同的实验条件下，选用石英衬底，合成了氮化镓纳米棒。
参考来源 - GaN纳米线和薄膜的制备及其特性研究·2,447,543篇论文数据，部分数据来源于NoteExpress
其做法是在纳米级氧化硅透明衬底上生长氮化硅波导，衬底的折射率远小于波导。
The researchers placed a silicon nitride waveguide on a transparent nanoporous silicon oxide substrate that they specially developed to have a much lower refractive index than that of the waveguide.
目前LED同硅晶片的制作设备类似，都是通过在蓝宝石衬底片上沉淀氮化镓层实现。
At present these LEDs are made in machines similar to those used to make silicon chips, by depositing layers of gallium nitride on sapphire-based wafers.
塔夫斯大学研究者发明的新用途丝线是由丝质衬底和金元素制作而成的线圈所组成，它能够显示食物何时会变质。
NEW USES silk creations by Tufts University researchers include a coil made of silk substrate and gold that can help tell when food goes bad.
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