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Low cost microminiature refrigerators for large unit volume applications
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Author | Duboc Jr., R. M. |
| Copyright Year | 1983 |
| Description | Photolithographic techniques were employed to fabricate small Joule-Thomson refrigerators in laminated substrates. The gas passages of a J-T refrigerator are formed by etching channels as narrow as 50 microns and as shallow as 5 microns in glass plates which are laminated together. Circular refrigerators on the order of 1.5 centimeters in diameter and .75 millimeters thick were produced which cool down to cryogenic temperatures in a few seconds, using Argon or Nitrogen, with no vacuum or radiation insulation. Smaller refrigerators are developed for both faster cooldown and low refrigeration capacity applications. By using this technology, custom refrigerators can be designed to meet specific application requirements. |
| File Size | 836806 |
| Page Count | 13 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_19840007288 |
| Archival Resource Key | ark:/13960/t75t8g83d |
| Language | English |
| Publisher Date | 1983-12-01 |
| Access Restriction | Open |
| Subject Keyword | Microminiaturized Electronic Devices Cryogenic Equipment Joule-thomson Effect Refrigerators Low Cost Cryogenics Microminiaturization Microelectronics Photolithography Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science |
| Content Type | Text |
| Resource Type | Article |
