Abstract
In this paper, a MEMS based wafer-scale palladium - silver alloy membrane (MWSPdAgM) is presented. This membrane has the potential to be used for hydrogen purification and other applications [1]. A palladium-silver alloy layer (pd-Ag) was prepared by co-sputtering. The thin Pd-Ag alloy has high hydrogen selectivity, high permeation rate as well as high mechanical and chemical stability. Typical flow rates of 0.5 mol H2 /m2.s have been measured with a minimal selectivity of 550 for H2/N2. Anodic bonding of thick glass to silicon was used to package the membrane and create a very robust module. The membrane has high mechanical strength and can withstand pressures up to 4 bars at room temperature. The presented fabrication method allows the development of a module for industrial applications that consists of a stack with a large number of glass/membrane plates.
| Original language | English |
|---|---|
| Title of host publication | Technical Digest. MEMS 2002 IEEE International Conference. Fifteenth IEEE International Conference on Micro Electro Mechanical Systems |
| Publisher | IEEE |
| Pages | 268-271 |
| Number of pages | 4 |
| ISBN (Print) | 0-7803-7185-2 |
| DOIs | |
| Publication status | Published - 20 Jan 2002 |
| Event | 15th IEEE International Conference on Micro Electro Mechanical Systems, MEMS 2002 - Las Vegas, United States Duration: 20 Jan 2002 → 24 Jan 2002 Conference number: 15 |
Conference
| Conference | 15th IEEE International Conference on Micro Electro Mechanical Systems, MEMS 2002 |
|---|---|
| Abbreviated title | MEMS |
| Country/Territory | United States |
| City | Las Vegas |
| Period | 20/01/02 → 24/01/02 |
Keywords
- EWI-12733
- IR-43325
- METIS-206359
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