Method of controlling the trajectory of a bonding tool...

Details Method of controlling the trajectory of a bonding tool... Method of controlling the trajectory of a bonding tool...

2007-10-25

2010-06-15

Ward, Jessica L (Department: 1793)

Metal fusion bonding

Process

Plural joints

C228S004500

Reexamination Certificate

active

07735716

ABSTRACT:
A method of determining a trajectory of an arc motion of a wire used in the formation of a wire loop is provided. The arc motion is between a first point and a second point of the trajectory. The method includes: (1) defining a pivot point with respect to the first point and the second point; (2) determining a plurality of data points for generating the trajectory, each of the data points including a radius value and an angle value as a function of time, each of the angle values being between (a) a first angle defined by the pivot point and the first point, and (b) a second angle defined by the pivot point and the second point; and (3) converting the plurality of data points into trajectory data that may be used by a wire bonding machine.

REFERENCES:
patent: 4445633 (1984-05-01), Bonham, Jr.
patent: 5205463 (1993-04-01), Holdgrafer
patent: 6010057 (2000-01-01), Egger et al.
patent: 6131799 (2000-10-01), Egger et al.

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