Stack boat tool and method using the same
US10741430B2 · kind B2 · utility
0Cited by
10References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 22, 2018 |
| Grant date | Aug 11, 2020 |
| Priority date | — |
| Expiry date | Sep 10, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L2924/3511
- WIPO fieldSemiconductors
- WIPO sectorElectrical engineering
Abstract
A stack boat tool includes a boat including a stack hole configured to accommodate first and second semiconductor packages; and a weight bar configured to be placed on the second semiconductor package during a reflow process for combining the first and second semiconductor packages, wherein the weight bar includes: a base configured to contact an upper surface of the second semiconductor package; a sidewall on the base; and a balance weight arranged on the base configured to lower a weight center of the weight bar.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.