Electrical generator or motor structure – Dynamoelectric – Linear
Patent
1998-02-20
1999-10-12
Ramirez, Nestor
Electrical generator or motor structure
Dynamoelectric
Linear
H02K 4100
Patent
active
059659629
ABSTRACT:
A stepper motor includes a forcer wherein the teeth are formed in the pole faces by an etching process or machining and instepping. The etching can be achieved by forming the teeth in a separately formed plate which is anchored to the face of a forcer. A high density magnetic material is used for the plate and can also be used on the platen to improve performance of the stepper motor.
REFERENCES:
patent: 3376578 (1968-04-01), Sawyer
patent: 4504750 (1985-03-01), Onodera et al.
patent: 4661730 (1987-04-01), Maruyama et al.
patent: 5179304 (1993-01-01), Kenjo et al.
Jones Judson H.
Northern Magnetics, Inc.
Ramirez Nestor
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