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US 8,008,938 B2Granted
Testing system module
AssigneeKing Yuan Electronics Co., Ltd.
InventorCheng-Chin Ni
Life of this patent
Estimating the term…
Abstract
A testing system module for testing printed circuit board (PCB) includes at least one robot having a pogo pin for moving to a testing point of the PCB; a pressure detecting unit for detecting a current pressure value on the printed circuit board; and a control system for keeping the pogo pin to contact with the PCB with constant pressure.
Claims9
A testing system module for keeping pogo pins contacted with a printed circuit board precisely, comprising:
- at least one robot having a pogo pin, wherein said robot could be moved to a testing point of a surface of said printed circuit board and said pogo pin could be connected with the surface of said printed circuit board;
- a plurality of pressure detecting units, wherein said pressure detecting units are electrically connected to said pogo pin, for detecting a current pressure value pressed by said pogo pin on said printed circuit board, and converting said current pressure value into a pressure signal;
- a signal transformation unit for transforming said pressure signal from said pressure detecting unit, into a digital pressure control signal;
- a meter which is connected electrically with said pogo pin, and said meter is used to receive testing signals from said pogo pin;
- and
- a control system, for determining whether said pogo pin is contacted with said printed circuit board with a constant pressure;
- if not, commands said pogo pin to move along the Z axis according to a predetermined value.
4 more elements
A testing method for keeping pogo pins contacted with a printed circuit board precisely, comprising:
- providing at least one pogo pin for detecting leakage current on said printed circuit board;
- providing at least one pressure detecting unit which is electrically connected to said pogo pin, for detecting a current pressure value pressed by said pogo pin on said printed circuit board;
- providing a control system for checking whether said leakage current is in a normal range;
- driving said pogo pin to move along the Z axis according to a predetermined value if said leakage current is not in a normal range;
- and
- driving said pogo pin to move to another test point on a surface of said printed circuit board if said leakage current is in a normal range.
3 more elements
Dependencies are inferred from the claim text.