钆镓石榴石衬底(GGG)

描述

钆镓石榴石(GGG)衬底

钆镓石榴石(GGG)衬底是一种广泛应用于磁光薄膜领域的特种材料,在光通信器件中具有重要作用。通常在磁场中沉积钇铁石榴石(YIG)或铋铁石榴石(BIG)薄膜,以构成光隔离器的关键部件。

GGG单晶衬底因其能够与磁光材料的晶格高度匹配而被精心选用,可确保YIG和BIG薄膜具有优异的外延生长质量。此外,GGG还可作为微波隔离器制造中的衬底材料。

钆镓石榴石衬底的物理性能

性能 详情
材料 钆镓石榴石(GGG)
晶体结构 立方晶系
晶格常数 (Å) a = 12.376
生长方法 柯氏拉法(Czochralski)
硬度 6.0 – 7.0(莫氏)
纯度 99.95%
熔点 1800°C
密度 (g/cm³) 7.09
折射率 1.95

钆镓石榴石衬底的规格

参数 详情
尺寸 (mm) 10×3、10×5、10×10、15×15、20×15、20×20、直径 2″ × 0.33 mm
厚度 0.5 mm、1.0 mm
抛光类型 SSP 或 DSP
晶向 <111>
定向精度 ±0.5°
边缘定向 2°(特殊:1°)
晶体角度 可定制尺寸与晶向
表面粗糙度 (Ra) ≤5Å(5µm × 5µm)

钆镓石榴石衬底的包装

苏州科跃生产的GGG衬底在严格的洁净室条件下包装,以确保高品质。每片衬底均封装于Class 100洁净袋或晶圆盒中,并在Class 1000洁净室内完成封装,以防止在储存和运输过程中受到污染。

这种包装方式确保衬底保持洁净无瑕,可直接用于光学及微波隔离器等高精度应用。

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常见问题

Sputtering targets are materials used in thin-film deposition processes to create coatings on substrates. They are used in industries like semiconductors, optics, photovoltaics, and electronics.

Evaporation materials are used in Physical Vapor Deposition (PVD) processes, where materials are heated and evaporated to form a thin film on a substrate. These are critical for applications in optics, wear protection, and decorative coatings.

Boat crucibles are used as containers for evaporation materials during PVD processes. They help to uniformly evaporate materials onto the substrate for thin film formation.

Sputtering uses energetic particles to eject material from a target, while evaporation involves heating a material until it vaporizes and deposits on a substrate. Both are common methods in Physical Vapor Deposition (PVD) for creating thin films.

Consider the material composition, purity, target size, and application-specific requirements such as the thickness and uniformity of the film.

Yes, we offer customized sputtering targets, evaporation materials, and crucibles to meet specific customer requirements for size, material composition, and purity.

Yes, we can assist in selecting the most suitable material based on your application, whether it’s for optical coatings, semiconductor fabrication, or decorative finishes.

Yes, we offer both bulk and small quantities of sputtering targets, evaporation materials, and spherical powders to support research, prototyping, and development projects.