Inventor

LUTER WILLIAM L

US20 patents

⚠️ This page may combine multiple inventors who share the name “LUTER WILLIAM L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LUTER WILLIAM L

GLOBALWAFERS CO LTD

Methods for producing a single crystal silicon ingot using boric acid as a dopant and ingot puller apparatus that use a solid-phase dopant

Methods for producing a single crystal silicon ingot using boric acid as a dopant

Ingot puller apparatus that use a solid-phase dopant

Method of processing a cleaved semiconductor wafer

Cleaved semiconductor wafer imaging system

Cleaved semiconductor wafer camera system

Crystal pulling systems and methods for producing monocrystalline ingots with reduced edge band defects

Crystal pulling systems and methods for producing monocrystalline ingots with reduced edge band defects

MEMC ELECTRONIC MATERIALS

Electrical heater for crystal growth apparatus with upper sections producing increased heating power compared to lower sections

Heat shield for crystal puller

Heat shield assembly and method of growing vacancy rich single crystal silicon

Heat shield for crystal puller

Solid material delivery system for a furnace

Electrical resistance heater and method for crystal growing apparatus

GTAT IP HOLDING LLC

Continuous czochralski method and apparatus

Side feed system for Czochralski growth of silicon ingots

WILLIAMS DICK S

Retractable and expandable water cooled valve gate useful for sealing a hot processing chamber

DELUCA JOHN P

Silicon single crystal doped with gallium, indium, or aluminum

SUNEDISON SEMICONDUCTOR LTD UEN201334164H

Seed chuck assemblies and crystal pulling systems for reducing deposit build-up during crystal growth process

JOHNSON BAYARD K

Silicon ingot having uniform multiple dopants and method and apparatus for producing same