Patent ID: 9740908
Date: 2017-08-22
CPC Classifications: G06F,G06K,H01L

Claim:
1. A package method of capacitive fingerprint sensor, comprising: providing a plate comprising a first surface, an opposite second surface and a plurality of first conductive pads, wherein at least one of the first surface and the second surface is flattened, and the first conductive pads are arranged on the first surface; providing a frame comprising a third surface, an opposite fourth surface, a plurality of second conductive pads and a plurality of third conductive pads, wherein the second conductive pads are arranged on the third surface, the third conductive pads are arranged on the fourth surface, and the second conductive pads are electrically connected with the corresponding third conductive pads; disposing the frame on the first surface of the plate with the third surface, wherein the second conductive pads are electrically connected with the corresponding first conductive pads, and the first conductive pads extend to a central area of the frame; disposing a capacitive fingerprint sensor chip at the central area of the frame, wherein the capacitive fingerprint sensor chip has an active surface and an opposite back surface, and the active surface of the capacitive fingerprint sensor chip faces the first surface of the plate and is electrically connected with the first conductive pads; and filling a package body in the central area of the frame to cover the capacitive fingerprint sensor chip.