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US 2013/0156616 A1Published application
Thin fan and manufacturing method thereof
AssigneeDelta Electronics, Inc.
InventorsChia-Yuan CHANG, Han-Pei Wang, Cheng-Chieh Liu, Wen-Ping Teng
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Abstract
A manufacturing method of a thin fan comprises the steps of: providing a plastic material containing a plurality of metal particles; molding the plastic material into a housing; removing a part of a surface of the housing to form a circuit layout area at the housing; and forming a metal layer in the circuit layout area.
Claims20
A manufacturing method of a thin fan, comprising the steps of:
- providing a plastic material containing a plurality of metal particles;
- molding the plastic material into a housing;
- removing a part of a surface of the housing to form a circuit layout area at the housing;
- and
- forming a metal layer in the circuit layout area.
2 more elements
A thin fan comprising:
- a housing comprising:
- a circuit layout area having a plurality of metal particles, wherein some of the metal particles are exposed to the circuit layout area;
- and
- a metal layer disposed in the circuit layout area and connected with the exposed metal particles;
- a stator disposed to the housing;
- and
- an impeller covered by the housing;
- wherein there is no further circuit board disposed in the housing.
5 more elements
A manufacturing method of a thin fan, comprising steps of:
- providing a first plastic material containing a plurality of metal particles;
- molding the first plastic material into a circuit layout portion;
- providing a second plastic material without metal particles;
- molding the second plastic material into a housing portion connected to the circuit layout portion to form a housing;
- removing a part of a surface of the circuit layout portion to form a circuit layout area;
- and
- forming a metal layer in the circuit layout area.
4 more elements
Dependencies are inferred from the claim text.