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Silicon Carbide

IndPhotonics Micromachining Glass Cutting.pdf

IndPhotonics Micromachining Glass Cutting.pdf

…The picosecond laser produced a cleaner hole with less recast material and a smaller heat-affected zone (HAZ). Results of stealth dicing a silicon carbide wafer with a picosecond laser, before mechanical separation of the individual dies. Cross sections of glass cut with a nanosecond laser (top)…

Tinsley Custom Optics

Tinsley Custom Optics

…etc.; and optical materials ranging from metals (aluminum, beryllium, and nickel) and silicon carbide to standard optical glasses, low expansion glasses and infrared crystals (CaF2, ZnSe, ZnS, Silicon, and Germanium) for precise aspheric, flat, and free-form optical components to common spheres…

Microsoft Word - Coherent Whitepaper - Laser Processing of µLED

Microsoft Word - Coherent Whitepaper - Laser Processing of µLED

…LED
production. Instead, GaN layers are heteroepitaxially grown on dissimilar substrate materials
such as sapphire, silicon carbide (SiC) or silicon. The vast majority of LED production today
utilizes sapphire wafer as the growth substrate for the MOCVD due to its small lattice…

COHR TinsleyCustomOptics DS 0717 3.pdf

COHR TinsleyCustomOptics DS 0717 3.pdf

…process is capable of processing materials of all types including optical glasses, germanium, silicon, stainless steel, beryllium, copper, nickel-plated substrates and silicon-clad silicon carbide. In addition to CCOS, Single Point Diamond Turning (SPDT) and con¬ventional optical polishing…

COHR TinsleyCustomOptics DS 1018.pdf

COHR TinsleyCustomOptics DS 1018.pdf

…process. FEATURES & BENEFITS · Aperture sizes over 1m · Aspheres, free-forms, cylinders · Any optical substrate material - aluminum, silicon carbide, low-expansion glass, standard optical glass · Space qualified coatings including FSS99 (protected silver), FSG98 (protected gold) · World-class…

COHR Whitepaper PLD Excimer 2018 10 English.pdf

COHR Whitepaper PLD Excimer 2018 10 English.pdf

…steel substrates was not sufficient for some applications,
intermediate layers were employed. Best adherence was obtained with boron carbide and tungsten carbide
(WC) intermediate layers, which are also deposited by excimer laser ablation immediately prior to the ta-C
deposition. The…

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