US Patent Application 18300792. ELECTROMAGNETIC DEVICE, ALIGNMENT APPARATUS, AND ARTICLE MANUFACTURING METHOD simplified abstract

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ELECTROMAGNETIC DEVICE, ALIGNMENT APPARATUS, AND ARTICLE MANUFACTURING METHOD

Organization Name

CANON KABUSHIKI KAISHA


Inventor(s)

Takeshi Sato of Tochigi (JP)

SHIGEO Koya of Tochigi (JP)

NOBUSHIGE Korenaga of Tochigi (JP)

ELECTROMAGNETIC DEVICE, ALIGNMENT APPARATUS, AND ARTICLE MANUFACTURING METHOD - A simplified explanation of the abstract

This abstract first appeared for US patent application 18300792 titled 'ELECTROMAGNETIC DEVICE, ALIGNMENT APPARATUS, AND ARTICLE MANUFACTURING METHOD

Simplified Explanation

The patent application describes an electromagnetic device that consists of two members with end faces facing each other through an air gap, and a coil wound around one of the members. The members are made of laminated steel plates, and the magnetic circuit formed by them includes a changing part where the lamination direction of the plates changes at a right angle, generating a magnetic flux along the plane direction of the plates.

  • The device consists of two members and a coil.
  • The members are made of laminated steel plates.
  • The members have end faces facing each other through an air gap.
  • The coil is wound around one of the members.
  • The magnetic circuit formed by the members includes a changing part.
  • The changing part causes the lamination direction of the plates to change at a right angle.
  • The changing part generates a magnetic flux along the plane direction of the plates.


Original Abstract Submitted

An electromagnetic device includes a first member having a first end face, a second member having a second end face facing the first end face through an air gap, and a coil wound around one of the first member and the second member. Each of the first member and the second member is formed from a laminated body of a plurality of steel plates, and a magnetic circuit formed from the first member and the second member includes a changing part at which a lamination direction of the laminated body changes at a right angle to generate a magnetic flux along a plane direction of each of the plurality of steel plates.