DUCE
发表于 2025-3-23 10:09:45
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独裁政府
发表于 2025-3-23 15:01:55
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meritorious
发表于 2025-3-23 21:42:40
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苦笑
发表于 2025-3-24 01:54:35
Erin A. Baker M.S.,Paul T. Fortin M.D.terials from a solid powder form into a gas phase. In this method, the powder is heated to above its sublimation temperature to form a vapor which then condenses onto a substrate, all while in a high-vacuum environment. The wet method refers to the application of organic materials dissolved in a sol
Constitution
发表于 2025-3-24 04:05:45
,Angle Measurement—Transits and Theodolites,. Basic types of dimming, both analog and PWM, and their effect on LED characteristics are covered. Various methods of implementing fast and accurate PWM dimming are described. Phase-based dimming and the inherent complications associated with it are given some treatment, given its prominence in the
孵卵器
发表于 2025-3-24 09:44:11
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CRAFT
发表于 2025-3-24 12:51:01
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transient-pain
发表于 2025-3-24 16:27:31
LED Materials: Epitaxy and Quantum Well Structuresntum wells (MQWs) and electron-blocking layer (EBL) design to enhance our LED devices: graded-thickness multiple quantum wells (GQWs), graded-composition multiple quantum barriers (GQBs), selectively graded-composition multiple quantum barriers (SGQBs), and graded-composition electron-blocking layer
DALLY
发表于 2025-3-24 22:13:46
LED Materials: GaN on Siy grown as thin crystal layers on sapphire or silicon-carbide substrates. Gallium-Nitride grown on silicon is a material platform which offers a huge benefit as low substrate cost, large substrate diameter, and also opens a route for manufacturing in depreciated Si wafer fabs. But long GaN on Si was
aquatic
发表于 2025-3-25 02:55:40
Thin-GaN LED Materialscombination of wafer bonding, laser lift-off and surface texturing techniques were described. The effects of Pd, ITO/Al, NiO/Ag, NiO/Ag/Ni, and NiO/Au/Ag mirrors on the n-side-up GaN/mirror/Si LED properties were studied. It was found that the characteristics of the vertical-conducting n-side-up GaN