Injection of a filler material with homogeneous distribution of anisotropic filler particles through implosion
US9321245B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 24, 2013 |
| Grant date | Apr 26, 2016 |
| Priority date | — |
| Expiry date | Aug 23, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05K3/341
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method for providing a matrix material between a bonded pair of substrates with a homogeneous distribution of anisotropic filler particles is provided. Functionalized anisotropic filler particles are mixed uniformly with a matrix material to form a homogenous mixture. A bonded assembly of a first substrate and a second substrate with an array of electrical interconnect structures is placed within a vacuum environment. The homogenous mixture of the matrix material and the anisotropic filler particles is dispensed around the array of electrical interconnect structures. A gas is abruptly introduced into the vacuum environment to induce an implosion of the homogenous mixture. The implosion causes the homogenous mixture to fill the cavity between the first and second substrates without causing agglomeration of the anisotropic filler particles. The mixture filling the space between the first and second substrates has a homogenous distribution of the anisotropic filler particles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.