Circuit module
一种电路模块、电路装置的技术,应用在电路、电气元件、电固体器件等方向,能够解决引线101粗等问题,达到大电流容量、提高连接可靠性、减小热应力的效果
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[0025] refer to figure 1 The configuration of the circuit module 10A of the present invention will be described. figure 1 (A) is a plan view of the circuit module 10A, figure 1 (B) is its cross-sectional view.
[0026] As can be seen from the figure, in the circuit module 10A of the present invention, a thin circuit device such as a SIP provided with external connection electrodes is mounted on a lead frame and resin-sealed. With this structure, many components can be mounted at one time, and a circuit device in which external electrodes are provided only on the back surface can be realized as a module using lead wires. Even if the circuit module 10A is mounted on a printed circuit board, a ceramic substrate, or a metal substrate (hereinafter referred to as a mounting substrate), thermal stress can be reduced by the leads 11 and heat dissipation can be improved.
[0027] In the circuit module 10A, the circuit device 20A is mounted on the leads 11 . Furthermore, semicond...
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