Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Double-walled quartz-glass tube for semiconductor-technology processes

Double-walled quartz-glass tube for semiconductor-technology processes

US Patent 4720407 · Granted Jan 19, 1988

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Infrared lamp mounting arrangement using spaced mounting holes enabling desired 1995
Tubular component made out of quartz glass with a flange1988
Oven for the heat treatment of semiconductor substrates1988
Rack for supporting wafers for treatment1987
Silica glass tray made for wafers1986
Transparent fused silica bell for purposes relating to semiconductor technology1985
Bell of opaque fused silica1985
Flange connection for quartz tubes1984
Semiconductor substrate handling tray1984
Bell of translucent fused silica for the precipitation of polysilicon1983
Heat-treating method for semiconductor components1983
Refractory protective tube for the heat treatment of semiconductor components1983