BOARD-TO-BOARD CONNECTING STRUCTURE

Abstract

A board-to-board connecting structure (100) includes a flexible circuit board (10) and a substrate (210) fixed to the flexible circuit board (10). The substrate (210) has a plurality of first pads (212) and a plurality of first connecting sheets (214) disposed thereon, and the flexible circuit board has a plurality of second pads (112) and a plurality of second connecting pads (114) disposed thereon. The first pads are fixed to the second pads, and the first connecting sheets are fixed to the second connecting sheets.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

Many aspects of the board-to-board connecting structure can be better understood with reference to the following drawings. These drawings are not necessarily drawn to scale, the emphasis instead being placed upon clearly illustrating the principles of the present board-to-board. Moreover, in the drawings, like reference numerals designate corresponding parts throughout the several views, in which:

FIG. 1 is an exploded view of a board-to-board connecting structure in a digital camera module in accordance with a preferred embodiment;

FIG. 2 is an isometric view of the digital camera module shown in FIG. 1; and

FIG. 3 is an assembled view of the board-to-board connecting structure shown in FIG. 1.

Claims

1. A board-to-board connecting structure, comprising: a flexible circuit board having a plurality of second pads and a plurality of second connecting sheets disposed thereon; anda substrate having a plurality of first pads and a plurality of first connecting sheets disposed thereon, wherein the first pads of the substrate are correspondingly fixed to the second pads of the flexible circuit board, the first connecting sheets are correspondingly fixed to the second connecting sheets of the flexible circuit board.

2. The board-to-board connecting structure as claimed in claim 1, wherein the flexible circuit board defines a mounting area for mounting the substrate.

3. The board-to-board connecting structure as claimed in claim 2, wherein the plurality of first pads are arranged and disposed on the four corner edges of the bottom surface of the substrate, the plurality of second pads are each arranged and disposed at one of four corner edges of the mounting area.

4. The board-to-board connecting structure as claimed in claim 3, wherein the plurality of first connecting sheets are each arranged and disposed at one of four corners of the bottom surface of the substrate, the plurality of second connecting sheets are each arranged and disposed at one of four corners of the mounting area.

5. The board-to-board connecting structure as claimed in claim 1, wherein each of the first pads is electrically coupled to a respective one of the second pads.

6. The board-to-board connecting structure as claimed in claim 1, wherein the substrate is that of a digital camera module.

7. A board-to-board connecting structure, comprising: a flexible circuit board having a plurality of second conductive means and a plurality of second connecting means formed therewith; anda substrate having a plurality of first conductive means and a plurality of first connecting sheets disposed thereon, wherein the first conductive means of the substrate are correspondingly fixed to the second conductive means of the flexible circuit board, the first connecting means are correspondingly fixed to the second connecting means of the flexible circuit board.

8. The board-to-board connecting structure as claimed in claim 7, wherein the first and second conductive means are pads, the first and second connecting means are connecting sheets.

9. The board-to-board connecting structure as claimed in claim 7, wherein the flexible circuit board has a mounting area defined for mounting the substrate, the plurality of first conductive means are arranged and disposed on the four corner edges of the bottom surface of the substrate, the plurality of second conductive means are arranged and disposed at the four corner edges of the mounting area.

10. The board-to-board connecting structure as claimed in claim 7, wherein the flexible circuit board has a mounting area defined for mounting the substrate, the plurality of first connecting means are arranged and disposed on the four corners of the bottom surface of the substrate, the plurality of second connecting means are arranged and disposed at the four corners of the mounting area.

11. A digital camera module comprising: a lens module;an image sensor package positioned so as to receive light transmitted from the lens module, the image sensor package including a substrate having a bottom surface, and a plurality of first conductive means and a plurality of first connecting means formed on the bottom surface; anda flexible circuit board having a top surface, a plurality of second conductive means and a plurality of second connecting means formed on the top surface, the second conductive means being welded to the first conductive means, the second connecting means being welded to the first connecting means.

12. The board-to-board connecting structure as claimed in claim 11, wherein the flexible circuit board has a mounting area defined for mounting the substrate, the plurality of first conductive means are arranged and disposed on the four corner edges of the bottom surface of the substrate, the plurality of second conductive means are arranged and disposed at the four corner edges of the mounting area.

13. The board-to-board connecting structure as claimed in claim 11, wherein the flexible circuit board has a mounting area defined for mounting the substrate, the plurality of first connecting means are arranged and disposed on the four corners of the bottom surface of the substrate, the plurality of second connecting means are arranged and disposed at the four corners of the mounting area.