×

System, method and apparatus for maintaining separation of liquids in a controlled meniscus

  • US 20080314422A1
  • Filed: 06/19/2007
  • Published: 12/25/2008
  • Est. Priority Date: 06/19/2007
  • Status: Active Grant
First Claim
Patent Images

1. A proximity head comprising:

  • a head surface, the head surface including;

    a first zone including a first flat surface region and a plurality of first discrete holes, each one of the plurality of first discrete holes being connected to a corresponding one of a plurality of first conduits, the plurality of first discrete holes residing in the head surface and extending through the first flat surface region, at least a portion of the plurality of first discrete holes are arranged in a first row;

    a second zone including a second flat region and a plurality of second discrete holes, each one of the plurality of second discrete holes being connected to a corresponding one of a plurality of second conduits, the plurality of second discrete holes residing in the head surface and extending through the second flat surface region; and

    an inner return zone including a plurality of inner return discrete holes, the inner return zone being disposed between and adjacent to the first zone and the second zone, each one of the plurality of the inner return discrete holes being connected to a corresponding one of a plurality of inner return conduits, the plurality of inner return discrete holes residing in the head surface and extending through the head surface, at least a portion of the plurality of inner return discrete holes are arranged in an inner return row, the first row and the inner return row being substantially parallel, wherein a first portion of an edge of each one of the plurality of inner return discrete holes is recessed into the head surface.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×