Production method for an electrical resistance element and corresponding resistance element
AssigneesIsabellenhuette Heusler GmbH & Co. KG, Schunk Sintermetalltechnik GmbH
InventorsJan Marien, Jens Hartmann, Petra Schmidt, Andreas Baum, Phillip Prinz, Steffen Burk, Ingolf Langer, Alexander Witt, Joerg Ziesche, Sieglinde Mueller
Life of this patent
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Abstract
The invention relates to a production method for an electrical resistance element (for example a shunt) with the following steps: —providing a resistance alloy in powder form, and—forming the resistance element from the powdered resistance material. The invention also relates to a correspondingly produced resistance element.
Claims29
A method of manufacturing an electrical resistor element, comprising the following steps:
- a) providing a powdery resistance alloy which is a resistance alloy in powder form, and
- b) forming the resistor element from the powdery resistance alloy by multi-component metal powder injection molding, wherein the following components of resistor are joined together to form a green part:
- (i) the resistor element which is made of the powdery resistance alloy, and
- (ii) at least two connection parts made of powdery conductor material.
A method of manufacturing an electrical resistor element, comprising the following steps:
- a) providing a powdery resistance alloy which is a resistance alloy in powder form;
- b) forming the electrical resistor element from the powdery resistance alloy;
- and
- c) mixing at least one of the powdery resistance alloy and a powdery conductor material with a binder to form a feedstock before molding, wherein the binder contains the following components:
- i) 10-50 weight percent polyamide,
- ii) 40-80 weight percent of fatty alcohol, and
- iii) 2-20 weight percent of organic acid.
A method of manufacturing an electrical resistor element comprising the following steps:
- a) providing a powdery resistance alloy which is a resistance alloy in powder form;
- b) forming the electrical resistor element from the powdery resistance alloy;
- and
- c) mixing at least one of the powdery resistance alloy and a powdery conductor material with a binder to form a feedstock before molding, wherein the binder contains the following components:
- i) 50 to 96 weight percent of one or more polyoxymethylene homopolymers or polyoxymethylene copolymers;
- ii) 2 to 35 weight percent of one or more polyolefins;
- and
- iii) 2 to 40 weight percent of poly-1,3-dioxepan or poly-1,3-dioxolane or mixtures thereof.
A method of using a resistor element comprising the following steps:
- a) providing a powdery resistance alloy which is a resistance alloy in powder form,
- b) forming a resistor element from the powdery resistance alloy by multi-component metal powder injection molding, wherein the following components of a resistor are joined together to form a green part:
- i) the resistor element which is made of the powdery resistance alloy, and
- ii) least two connection parts made of a powdery conductor material, and
- c) using the resistor element.
Dependencies are inferred from the claim text.