Alpha Metals, Inc.
23Patents
5Active
23Granted
39Portfolio score
Filing activity: Aug 12, 1974 → Jun 24, 2011 · 2 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5879808A | Parylene polymer layers | Emerging Cross-Sectional Technologies | 47 | Expired |
| US6194788A | Flip chip with integrated flux and underfill | Emerging Cross-Sectional Technologies | 36 | Expired |
| US5955141A | Process for silver plating in printed circuit board manufacture | Chemistry; Metallurgy | 29 | Expired |
| US6319543A | Process for silver plating in printed circuit board manufacture | Chemistry; Metallurgy | 26 | Expired |
| US6051276A | Internally heated pyrolysis zone | Chemistry; Metallurgy | 13 | Expired |
| US6074803A | Bonding inner layers in printed circuit board manufacture | Electricity | 11 | Expired |
| US3973572A | Self-purging apparatus for determining the quantitative presence of derived ions | Emerging Cross-Sectional Technologies | 11 | Expired |
| US8555491B2 | Methods of attaching a die to a substrate | Emerging Cross-Sectional Technologies | 10 | Active |
| US6294220A | Post-treatment for copper on printed circuit boards | Chemistry; Metallurgy | 10 | Expired |
| US6323062A | Wafer coating method for flip chips | Electricity | 10 | Expired |
| US6440647B1 | Resist stripping process | Electricity | 10 | Expired |
| US4086179A | Improved cleaning solvent containing non-azeotropic mixtures of 1,1,1-trichloroethane and n-propanol | Chemistry; Metallurgy | 8 | Expired |
| US6123024A | Stencil incorporating electronic tag | Performing Operations; Transporting | 8 | Expired |
| US4009816A | Method and apparatus for increasing efficiency of a foam fluxer used in wave soldering of printed wiring boards | Electricity | 7 | Expired |
| US3945556A | Functional alloy for use in automated soldering processes | Performing Operations; Transporting | 6 | Expired |
| US6017983A | Color indicator for completion of polymerization for thermosets | Chemistry; Metallurgy | 6 | Expired |
| US9221131B2 | Solder alloy | Chemistry; Metallurgy | 4 | Active |
| US6158339A | Stencil holder assembly for use with solder paste stencil printers | Performing Operations; Transporting | 2 | Expired |
| US9217088B2 | Particles and inks and films using them | Emerging Cross-Sectional Technologies | 2 | Active |
| US8597548B2 | Solvent systems for metals and inks | Electricity | 1 | Active |
| US8564140B2 | Mono-acid hybrid conductive composition and method | Electricity | 1 | Active |
| US6096808A | Snap cure adhesive based on anhydride/epoxy resins | Electricity | 0 | Expired |
| USRE29563E | Functional alloy for use in automated soldering processes | General | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.