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US 2010/0143658 A1Published application
Solder flux
AssigneeHenkel Corporation
InventorFrank Timothy Lawrence
Life of this patent
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Abstract
A soldering flux composition comprising: (i) a carrier vehicle comprising a solvent; (ii) an activator component for activating a metal surface for soldering; (iii) a colour-imparting component with an appropriate colour to facilitate optical detection of flux on the fluxed component; and optionally (iv) a gelling component to control flux rheology. The colour-imparting component is utilised to indicate the presence of desired amounts of flux. A component with inadequate flux for reliable soldering can be rejected.
Claims25
A soldering flux composition comprising:
- (i) a carrier vehicle comprising a solvent;
- (ii) an activator component for activating a metal surface for soldering;
- (iii) a gelling component to control flux rheology;
- and
- (iv) a colour-imparting component with an appropriate colour to facilitate optical detection of flux on a component to which the flux is applied.
2 more elements
A soldering flux composition comprising:
- (i) a carrier vehicle comprising a solvent;
- (ii) an activator component for activating a metal surface for soldering;
- and
- (iii) a colour-imparting component with an appropriate colour to facilitate optical detection of flux on a component to which the flux is applied.
1 more element
Dependencies are inferred from the claim text.