A commercially viable GaN LED was an incredibly hard nut to crack that required the development of a buffer layer and a novel approach to p-type doping. But 20 years ago it all came together. Richard Stevenson looks back at the device’s birth. (more…)
2012-03-06meta-author
This paper reports the mechanical and electrical characteristics of Ge/Ge interfaces prepared by room-temperature surface-activated bonding (SAB). Bonded Ge/Ge wafer pairs with high bonding strength equivalent to that of the bulk material were achieved without any heat treatment. It was found that the bonding [...]
2018-11-12meta-author
PAM XIAMEN offers 4″CZ Prime Silicon wafer-16 4″ CZ Silicon Wafer SSP Silicon wafers, per SEMI Prime, P/E 4″Ø×525±25μm, SEMI Flats (two), p-type Si:B[100]±0.5°, Ro=(0.001-0.002)Ohmcm, One-side-polished, back-side Alkaline etched, TTV<5μm, Bow/Warp<30μm, Wafers free of striation marks, Sealed in Empak or equivalent cassette. For more information, send us email at sales@powerwaywafer.com and powerwaymaterial@gmail.com
2021-01-06meta-author
New graphene fabrication method uses silicon carbide template Graphene transistors. Georgia Tech researchers have fabricated an array of 10,000 top-gated graphene transistors, believed to be the largest graphene device density reported so far. (PhysOrg.com) — Researchers at the Georgia Institute of Technology have developed a new [...]
2018-05-17meta-author
Xiamen Powerway Advanced Material Co.,Ltd. offers monocrystal or polycrystalline150mm Germanium (100) or (111) substrates for optical application or for epi-growth in microelectronics. You can buy germanium substrate in following specifications: 1. Gemanium Substrate Specifications No.1 Optically Polished Germanium Substrates PAM211025-GE Sl No’ Specifications Value 1 Material Germanium (Ge) Optical grade 2 Crystalline form Polycrystalline / Monocrystalline 3 Shape Circular Flat 4 Diameter 25 mm [...]
PAM XIAMEN offers 2″ FZ Si wafer with SSP 2″ Undoped Silicon Wafer Diameter: 50.8mm Thickness: 300um Polished : Single Side Polished Orientation: <100> Resistivity >10,000Ωcm For more information, send us email at sales@powerwaywafer.com and powerwaymaterial@gmail.com
2020-06-15meta-author
