Apparatus and method for mounting electrically conductive balls

Details Apparatus and method for mounting electrically conductive balls Apparatus and method for mounting electrically conductive balls

1997-03-28

1999-04-06

Hail, III, Joseph J.

Metal working

Method of mechanical manufacture

Electrical device making

29740, 22818021, 22818022, H05K 334

Patent

active

058902830

ABSTRACT:
An apparatus for mounting electrically conductive balls includes a mounting head which has an attracting tool with a number of attracting holes in its lower surface and attracts electrically conductive balls through a vacuum. The attracting tool is resiliently supported by the mounting head through springs. A flux is stored in a container at a predetermined depth. The electrically conductive balls attracted to the attracting tool project from its lower surface by a length larger than the depth of the flux. When the attracting tool is lowered, the electrically conductive balls contact a bottom surface of the container in a resilient manner due to spring tension of the springs. Then, by raising the attracting tool, the flux adheres to lower surfaces of the electrically conductive balls. With the flux kept at a proper depth, it can be made adhere in appropriate amount to all the electrically conductive balls at one time. It is thus possible to adhere a flux or adhesive in an appropriate amount to a number of electrically conductive balls with high working efficiency and improve productivity of workpieces with bumps considerably.

REFERENCES:
patent: 4292116 (1981-09-01), Takahashi et al.
patent: 5467913 (1995-11-01), Namekawa et al.
patent: 5547740 (1996-08-01), Higdon et al.
patent: 5601229 (1997-02-01), Nakazato et al.
patent: 5722160 (1998-03-01), Uemura et al.
patent: 5729894 (1998-03-01), Rostoker et al.

Affiliated with

Also associated with

Rating

Apparatus and method for mounting electrically conductive balls does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Apparatus and method for mounting electrically conductive balls, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus and method for mounting electrically conductive balls will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1361419