Abstract: A soldering flux includes a resin in an aqueous composition. The flux can also include an activating agent and a surface-active agent that promotes surface wetting. The flux can be used to coat circuits and a printed circuit board. The resin can be non-acidic and/or in an emulsified form.
Type:
Grant
Filed:
December 1, 2000
Date of Patent:
July 29, 2003
Assignee:
Fry's Metals, Inc.
Inventors:
Sanyogita Arora, Alvin F. Schneider, Karen A. Tellefsen
Abstract: A multiple head dispensing system and method is provided. In one embodiment, a dispensing system for dispensing material onto a substrate includes a plurality of independently operable dispensing heads, and a conveyor system, disposed beneath the plurality of dispensing heads, having a first track and a second track, each of which is constructed and arranged to convey substrates to working positions beneath the dispensing heads. The dispensing system may include a plurality of gantry systems, each of which is coupled to one of the plurality of independently operable dispensing heads.
Type:
Grant
Filed:
August 22, 2000
Date of Patent:
November 27, 2001
Assignee:
Speedline Technologies, Inc.
Inventors:
Thomas Purcell, Thomas C. Prentice, Brian P. Prescott