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Class 438/70 - Color filter


Subclass of Class 438 - Semiconductor device manufacturing: process
Definition: Process for making a semiconductor device responsive to
No. of patents: 334
Last issue date: 05/22/2012


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NumberTitleIssue Date
5576267Method of making a color filter array element
A method of preparing a color filter array element comprising the following steps: a) coating a glass support with a polymeric dye image-receiving layer; b) coating the polymeric dye image-receiving layer with at least one additive primary color dye from a sol...
11/19/1996
5534443Method of manufacturing a solid state imaging device
The method of manufacturing a solid state imaging device of the invention comprises a step of adding carboxylate as a dyeing assistant auxiliary to the aqueous dyestuff solution when forming dyeing layers of acrylic-based resin on a semiconductor substrat...
07/09/1996
5426058Method of manufacturing solid-state imaging device
The production of a solid-state imaging device includes the steps of: smoothing the surface of a semiconductor substrate by embedding a polymeric or polymerizable material into recessed portions in the surface of the substrate on which a plurality of soli...
06/20/1995
5350490Forming a color filter on a semiconductor substrate
A manufacturing method for color filter comprises steps of forming a flat layer for smoothing over an image sensor having charge coupled devices or bucket brigade device, forming a first color filter layer and a first inter-layer of dye-proof layer on sai...
09/27/1994
5336367Solid-state imaging device and method of manufacturing the same
A solid-state imaging device comprises a color filter formed of a colored transparent material having intended spectral transmissivity characteristics. The color filter possesses plural spectral transmissivity characteristics in one layer. In this constit...
08/09/1994
5312779Color spatial light modulator and method of manufacture
A semiconductor device comprises a plurality of groups of colored cells controllable by electronic circuitry. Each group of colored cells absorb or reflect specified wavelengths of visible light. The electronic signals control the pathways on which each i...
05/17/1994
5294288Forming sol-gel dichroic color filters
A process of forming dichroic color filters on substrates, particularly image sensors, includes using a spin-on-glass process to form low and high refractive index layers. A mixture of titania and silica partially hydrolyzed and condensed sol-gel polymer ...
03/15/1994
5155060Method for forming film of uniform thickness on semiconductor substrate having concave portion
A photoresist of sufficient thickness to fill a scribe line is applied to an entire substrate. The photoresist is exposed through a photomask having a pattern corresponding to the scribe line and then developed. A photosensitized gelatin is applied by spi...
10/13/1992
5143855Method for making contact openings in color image sensor passivation layer
This invention relates to a method for fabricating a color solid-state image sensor which comprises, the steps of: forming an inorganic passivation layer over an array of photosensing elements and their associate bonding patterns; providing a color filter...
09/01/1992
5135891Method for forming film of uniform thickness on semiconductor substrate having concave portion
A photoresist of sufficient thickness to fill a scribe line is applied on an entire substrate. Then, the photoresist is exposed through a photomask having a pattern corresponding to the scribe line and is thereafter developed. A photosensitized gelatin is...
08/04/1992
5132251Method for manufacturing a color filter
The present invention can form lenses with a small radius of curvature by using surface tension due to heat and gravity and by directing the spherical surfaces of lenses downward during thermal processing at a constant temperature. In addition, the presen...
07/21/1992
5028547Manufacture of a color image sensor
There is provided an improvement on a solid-state type color image sensor having a color filter arrangement matching the line sequential color difference signal method. A color filter selected from magenta, yellow and cyan for covering the entire area of ...
07/02/1991
4251909Method of manufacturing a target assembly for a camera tube
A target and target assembly for a camera tube in which a semiconductor plate is provided on an annular support. The plate has a semiconductor monocrystalline edge portion which comprises an integrated circuit for processing the electrical signals origina...
02/24/1981
4081277Method for making a solid-state color imaging device having an integral color filter and the device
A method for making a color imaging device that comprises means for sensing radiation comprising a planar array of charge-handling semiconductive photosensors, at least some of the photosensors having a radiation sensing area with at least one dimension l...
03/28/1978
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