Resources Contact Us Home
Photolithographic process for producing etched patterns on the surface of fine tubes, wires or other three dimensional structures

Image Number 8 for United States Patent #6391502.

The present invention involves a photolithographic process, and apparatus and material for use therein, for producing etched or eroded areas or holes in a selected pattern on or in the surface of fine workpieces, such as small diameter tubes. One aspect of the present invention is a photolithographic process for producing a selected pattern on a nonplanar surface of a workpiece using at least one mask to define the selected pattern. The process includes the acts of applying a photoresist material to the workpiece and aligning the mask with the nonplanar surface of the workpiece. The mask may have an inner surface that corresponds to the nonplanar surface. The process may also include the acts of exposing and developing the photoresist material.

  Recently Added Patents
Snapshots in de-duplication
Vacuum cleaner
Methods for predicting cardiac toxicity
Securing information by hiding identity on a computing device
Panel for decoration
Intake parameter-calculating device for internal combustion engine and method of calculating intake parameter
Method and apparatus for monitoring wireless communication in hearing assistance systems
  Randomly Featured Patents
Polyamide nucleic acid derivatives and agents and processes for preparing them
Flow reducer member, in particular for a receptacle containing a cosmetic, and a method of manufacture
Biguanide derivatives, manufacturing method thereof, and disinfectants containing the derivatives
Pulverized solid fuel nozzle tip with ceramic component
Flash memory having spare sector with shortened access time
System and method for performing sputter deposition using a spherical geometry
Color and intensity control over power wires
System and apparatus for condensing executable computer software code
Free-flowing pearlescent concentrate
Genetically engineered coccidiosis sporozoite 21.5 Kb antigen, ac-6b