Magnet mounting apparatus for MTJ device testers
US10962590B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 27, 2017 |
| Grant date | Mar 30, 2021 |
| Priority date | — |
| Expiry date | Apr 21, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11C2029/5602
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A magnet mounting apparatus including a cage, a magnet carriage and first actuator for use in testing Magnetic Tunnel Junction (MTJ) devices. The cage can be configured for mounting to an Automated Test Equipment (ATE). The magnet carriage can be configured for coupling to a wafer test magnet. The first actuator can be coupled between the cage and the magnet carriage. The first actuator can be configured to move the magnet carriage between a first position and a second position along a z-axis. The first position can be configured for locating the wafer test magnet within a predetermined proximity to a Device Under Test (DUT) wafer, and the second position can be configured for replacing a probe card.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.