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Device of dispensing micro doses of aqueous solutions of substances onto a carrier and device for carrying out said method

  • US 5,756,050 A
  • Filed: 05/26/1995
  • Issued: 05/26/1998
  • Est. Priority Date: 08/11/1993
  • Status: Expired due to Term
First Claim
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1. A device for microdispensing a volume of an aqueous solution to a carrier, comprised of a base one of the sides of which carries a plurality of rods which are held firm against said base with one of their ends, the free butt ends of said rods being coplanar, wherein said device is further provided with a means for maintaining the temperature of the free butt ends essentially equal to the dew point of the ambient air, wherein the means for maintaining the temperature of the free butt ends of the rods is a battery of thermoelectric cells shaped as a plate having equal size with the base and contacting the latter on the side opposite to that carrying the rods, both the base and the rods being made of a heat-conductive material.

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