Inventor

KELLER WOLFGANG

FR52 patents

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

KELLER WOLFGANG

SIEMENS AG

Scattered-ray grid, particularly for a medical X-ray device, and a method of determining the position of the absorption elements of a scattered-ray grid

Process for producing plate-shaped silicon bodies for solar cells

Nuclear power plant with a safety enclosure

Induction coil in the form of a pancake coil for crucible-free zone melting

Method and apparatus for measuring electrical conductivity

Floating zone drawing circuitry for semiconductor rods

Induction heater for floating zone melting

Apparatus for crucible-free floating-zone melting a semiconductor rod, particularly of silicon

Induction coil in the form of a flat coil for crucible-free floating zone melting

Method and apparatus for floating melt zone of semiconductor crystal rods

Nuclear reactor installation

Device and method for crucible-free zone melting of crystallizable rods in particular semiconductor rods

Apparatus for positively doping semiconductor crystals during zone melting

Method of producing monocrystalline semiconductor material, particularly silicon, with adjustable dislocation density

Method and apparatus for the manufacture of silicon by crucible-free zone melting

Method of producing hollow semiconductor bodies

Method of producing homogeneously doped n-type Si monocrystals and adjusting dopant concentration therein by thermal neutron radiation

Apparatus for indiffusing dopants into semiconductor material

Support device for use in a crucible-free floating zone melting apparatus

Current lead-in of the coaxial type for sealing to a container wall

Method of producing current lead-ins having coaxial construction

Apparatus for producing a controlled radial path of resistance in a semiconductor monocrystalline rod

Method for crucible-free zone melting of semiconductor crystal rods

Method for producing a controlled radial path of resistance in a semiconductor monocrystalline rod

Apparatus for crucible-free zone melting of semiconductor crystal rods including oscillation dampening material

Process for producing phosophorous-doped silicon monocrystals having a select peripheral dopant concentration along a radial cross-section of such monocrystal

Method of setting a stable melting zone in a semiconductor crystalline rod during crucible-free zone melting thereof

Apparatus for doping semiconductor rods with solid dopants

Apparatus for crucible-free zone melting of semiconductor crystal rods

Crucible-free zone melting of semiconductor crystal rods including oscillation dampening

Apparatus for crucible-free zone melting of semiconductor crystal rods

Apparatus for crucible-free zone processing of a semiconductor rod

EKATO RUEHR UND MISCHTECHNIK GMBH

Stirring device

Stirring device

System and method for starting up stirring machines in a sediment

BAYER AG

Rotary tube reactor for the thermal treatment of material

Rotary tube

ZEISS CARL SMT AG

Reflecting optical element with eccentric optical passageway

Optical subassembly and projection objective in semiconductor lithography

WACKER CHEMIE GMBH

Preparation of polydiorganosiloxanes

Thermoplastic silicone block copolymers, the production thereof and the use of the same

KARLSRUHE FORSCHZENT

Micromembrane pump

WAGNER IND AG

Powder coating system and method

KOELBLIN ROLF

Machine tool

BOSCH GMBH ROBERT

Ignition coil for an internal combustion engine

INFINEON TECHNOLOGIES AG

Semiconductor diode

SPATZ DIERK

Steam iron with tank including overpressure safety device

WAGNER J AG

Installation for coating a workpiece with powder

DAIMLER CHRYSLER AG

Clamping mechanism for clamping sheet metal workpieces

ELOBAU GMBH & CO KG

Sensor unit