Patent ID: 7105963
Filing Date: 2006-09-12
Classification: H02K,Y10T

Abstract:
1. A lead wire sealing device comprising: a metal housing member that is a part of a housing which forms a closed space therein, the metal housing member having an upper surface facing the closed space of the housing and an lower surface facing an open space which is formed outside of the housing; an electric component that is mounted on the upper surface of the metal housing member; a lead wire connecting from the electric component to an electrode electrically isolated from and formed on the lower surface of the metal housing member for making an electrical connection with an outer device located in the open space; a housing through hole that is formed in the metal housing member and penetrates from the closed space to the open space, the lead wire being inserted in the housing through hole; a circuit board that is mounted on the lower surface of the metal housing member and having a board aperture overlapped to the housing through hole, wherein the lead wire is inserted into the board aperture and is connected to the electrode; a resin coating layer formed so as to coat the lower surface of the metal housing member; a metal surface exposed part of the metal housing member which is formed on a part of the resin coating layer, wherein the circuit board is securely held on the metal surface exposed part via an adhesive layer; and a sealing material which fills the board aperture of the circuit board at the open space.