Clear sighted Sapphire Lens

Name: Clear sighted Sapphire Lens
Brand: ShanXiZhongJuJingKe Semiconductor Co., Ltd
Rating: 4.0 (6 reviews)

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5yrs

Jinzhong, Shanxi, China

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ShanXiZhongJuJingKe Semiconductor Co., Ltd

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Product description

Ball lenses are great tools for improving signal coupling between fibers, emitters, and detectors. Polished sapphire and ruby balls are used with D = 0.3–6.35 mm ± 2.54 m m and a sphericity to within 0.64mm.

CD disks are fabricated of polycarbonate. In the near future sapphire disks will be developed for long-term storage of significant data.

Although there are lots substrates which are regarded as potential materials to replace sapphire substrate, it is still dominated in the substrates (for GaN LED growth) market, because of its reasonable price and relatively low mismatch. Zhongju is capable of processing substrates according to customer needs. Currently, our sapphire substrate productions ranges from 2 to 12 inches with high quality and accurate orientation.

Table 1 Size of substrates

	2 inches Substrates	4 inches Substrates	6 inches Substrates
Diameter (mm)	50.9±0.1	100.1±0.1	150.1±0.1
Primary Flat Length (mm)	16±1	31±1	47.5±1

Table 2 Specification of substrates

Material	High purity single crystal sapphire
Surface Orientation	C-plane ± 0.1°
Primary Flat Orientation	A-plane ± 0.5°
Broken edge length	≤3mm
Crack	0
Defect	No inclusion，twin，or boundary
Bubble and cloud	Dense bubbles, clouds, and scattered bubble marked and counted as defects by length
EPD	≤1000 pits/cm²