Method of aligning and assembling an image capturing module

1. A method of aligning and assembling an image capturing module, comprising:

providing an image sensing unit and an actuator unit, wherein the image sensing unit includes an image sensing chip, and the actuator unit includes a housing frame having a predetermined position point or a predetermined position line and a movable lens assembly movably disposed inside the housing frame;

providing a predetermined energy for the actuator unit, wherein the center position of the movable lens assembly relative to the predetermined position point or the predetermined position line of the housing frame is shifted to a fixed offset location, for obtaining a predetermined horizontal direction and a predetermined horizontal distance from the predetermined position point or the predetermined position line of the housing frame to the center position of the movable lens assembly;

removing the predetermined energy;

horizontally shifting the predetermined position point or the predetermined position line of the housing frame relative to the center position of the image sensing chip along a predetermined horizontal offset direction and by a predetermined horizontal offset distance, wherein the predetermined horizontal direction is opposite to the predetermined horizontal offset direction, and the predetermined horizontal distance is the same as the predetermined horizontal offset distance; and

fixing the actuator unit on the image sensing unit, when the predetermined position point or the predetermined position line of the housing frame relative to the center position of the image sensing chip has been horizontally shifted along the predetermined horizontal offset direction and by the predetermined horizontal offset distance.

2. The method of claim 1 , after the step of fixing the actuator unit on the image sensing unit, further comprising: providing the predetermined energy for the actuator unit again, wherein the center position of the movable lens assembly relative to the predetermined position point or the predetermined position line of the housing frame is shifted again to the fixed offset location, thus the center position of the movable lens assembly is accurately aligned with the center position of the image sensing chip.

3. The method of claim 2 , wherein the predetermined energy is a predetermined initial electrical energy generated by switching a sensor switch on.

4. The method of claim 1 , wherein the image sensing unit includes a circuit substrate for carrying the image sensing chip, the image sensing chip has an image sensing area formed on the top side thereof, and the image sensing area has a first geometric center line, wherein the housing frame of the actuator unit is disposed on the circuit substrate of the image sensing unit, the movable lens assembly has a second geometric center line, and the predetermined position line of the housing frame is a third geometric center line.

5. The method of claim 4 , wherein the predetermined horizontal distance is defined from the second geometric center line of the movable lens assembly to the third geometric center line of the housing frame, and the predetermined horizontal offset distance is defined from the third geometric center line of the housing frame to the first geometric center line of the image sensing area.

6. The method of claim 4 , after the step of fixing the actuator unit on the image sensing unit, further comprising: providing the predetermined energy for the actuator unit again, wherein the second geometric center line of the movable lens assembly relative to the third geometric center line of the housing frame is shifted again to the fixed offset location, thus the second geometric center line of the movable lens assembly is accurately aligned with the first geometric center line of the image sensing area.

7. The method of claim 1 , wherein the image sensing unit includes a circuit substrate for carrying the image sensing chip, the image sensing chip has an image sensing area formed on the top side thereof, and the image sensing area has a first geometric center point, wherein the housing frame of the actuator unit is disposed on the circuit substrate of the image sensing unit, the movable lens assembly has a second geometric center point, and the predetermined position point of the housing frame is a third geometric center point.

8. The method of claim 7 , wherein the predetermined horizontal distance is defined from the second geometric center point of the movable lens assembly to the third geometric center point of the housing frame, and the predetermined horizontal offset distance is defined from the third geometric center point of the housing frame to the first geometric center point of the image sensing area.

9. The method of claim 7 , after the step of fixing the actuator unit on the image sensing unit, further comprising: providing the predetermined energy for the actuator unit again, wherein the second geometric center point of the movable lens assembly relative to the third geometric center point of the housing frame is shifted again to the fixed offset location, thus the second geometric center point of the movable lens assembly is accurately aligned with the first geometric center point of the image sensing area.

10. The method of claim 1 , wherein the predetermined position point or the predetermined position line of the housing frame is disposed on an edge of the housing frame.