Patent · US Expired

Method for applying contained pattern composition for soldering

US4070506A · kind A · utility

1Cited by
3References
4Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 22, 1976
Grant dateJan 24, 1978
Priority date
Expiry dateNov 22, 1996

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH05K2203/0786
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A method for applying a contained pattern to prevent solder overrun by applying a composition which can be applied in liquid form to a work surface where it dries, and subsequent soldering on said work surface will be substantially limited to the pattern laid down by the composition so that there is no solder overrun. The composition also has useful fire retardant properties which protects the underlying work surface. Such composition is a mixture of magnesium hydroxide, water and mica in the laminated silica mineral form.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.