3049620

Information

• Patent Grant
• 3049620

• References
• Source

• Patent Number

  3,049,620

• Date Filed

  Not available

• Date Issued

  Tuesday, August 14, 1962
  62 years ago

• CPC

  • G01T1/202 - the detector being a crystal
  • G01V5/101 - and detecting the secondary Y-rays produced in the surrounding layers of the bore hole
  • Y10S62/19 - Ionic thompson effect

• US Classifications

  • 250 - Radiant energy
  • 062 - Refrigeration