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Patent Summary

U.S. Patent Classes & Classifications Covered in this Patent Portfolio:

Class 438: Semiconductor Device Manufacturing: Process

This class provides for manufacturing a semiconductor containing a solid-state device for the following purposes: (a) conducting or modifying an electrical current, (b) storing electrical energy for subsequent discharge within a microelectronic integrated circuit, or (c) converting electromagnetic wave energy to electrical energy or electrical energy to electromagnetic energy. Also operations involving: (1) coating a substrate with a semiconductive material, or (2) coating a semiconductive substrate or substrate containing a semiconductive region. It also provides for operations involving etching a semiconductive substrate or etching a substrate containing a semiconductive region. The class provides for packaging or treatment of packaged semiconductor.

Subclass 393: Planar capacitor

Class 338: Electrical Resistors

Electrical resistors with solid, granular, or liquid resistance elements. These resistors may be either fixed or variable in resistance value. Semiconductors are included if limited by claimed subject matter to resistance properties, such as exists in photoconductive and thermistor type resistors. Included also are resistors with perfecting structure such as resistors whose resistance value is temperature compensated, or mounted on wheels or on a vehicle, resistors with heat dissipating projections, or with cooling gas or liquid circulation, or with heat storing, or with inductance or capacity reducing, or with electrical shields, or with a cleaner or a setting indicator in a mechanically variable resistor, or with a casing or housing, or with protecting structure spaced from the element, or with mounting or supporting means. Included also are resistors combined with or incorporated in other structure, as are resistors constructed as by shape or from material to change their resistance value particularly well in response to a particular condition or change in a particular condition such as current and/or voltage. Included are resistors usually of the mechanically variable type together with a condition sensing actuator which changes the mechanical adjustment of the resistor in response to a condition or a change in condition.

Subclass 254: Flattened resistance element between flat layers
Subclass 307: Resistance element and/or terminals printed or marked on base
Subclass 308: Resistance element coated on base
Subclass 309: Terminal coated on

Class 252: Compositions

(A) Compositions of matter, having or not having structure, physical form or heterogeneous arrangement of components and for which there is no provision elsewhere. (B) Packages of such compositions, or other articles which include such compositions for which there is no provision elsewhere. (C) Processes of making, or peculiar to making, such compositions and for which there is no provision elsewhere. (D) Apparatus for use in or peculiar to such processes and for which there is no provision elsewhere.

Subclass 514: Noble metal (gold, silver, ruthenium, rhodium, palladium, osmium, iridium, platinum)

Class 257: Active Solid-State Devices (E.G., Transistors, Solid-State Diodes)

This class provides for active solid-state electronic devices, that is, electronic devices or components that are made up primarily of solid materials, usually semiconductors, which operate by the movement of charge carriers - electrons or holes - which undergo energy level changes within the material and can modify an input voltage to achieve rectification, amplification, or switching action, and are not classified elsewhere.

Subclass E21.004: Of resistor (EPO)
Subclass E21.012: With increased surface area, e.g., by roughening, texturing (EPO)
Subclass E21.015: Having horizontal extensions (EPO)
Subclass E27.048: Capacitor only (EPO)

Class 216: Etching A Substrate: Processes

Chemical etching processes for treating articles of commerce or intermediate articles not otherwise provided for in which one of the manufacturing steps includes a chemical etching step (use of an etchant) and wherein the material treated is not completely removed.

Subclass 16: Forming or treating resistive material
Subclass 20: Adhesive or autogenous bonding of self-sustaining preforms (e.g., prefabricated base, etc.)

Class 427: Coating Processes

This is the generic class for: A. applying or obtaining a coating on a surface. The coating may be hard or soft, permanent or transitory, supplied solely by extraneous materials or supplied wholly or in part by the base material. B. impregnating a base by causing a coating material to extend or penetrate into the base material, or into the interstices of a porous, cellular or foraminous material. C. taking preparatory treatments of the base material, subsequent treatments of the coated base material and other ancillary noncoating operations claimed, per se, processes limited to etching for making a base more compatible with, or adherent to, the coating wherein the base is the substrate (work) onto which a coating is applied are included.

Subclass 101: Resistor for current control (excludes heating element)
Subclass 115: Fuel cell part
Subclass 126.3: Metal oxide, peroxide, or hydroxide coating
Subclass 62: Superconductor
Subclass 77: Electron emissive or suppressive (excluding electrode for arc)
Subclass 79: Condenser or capacitor
Subclass 80: Electrolytic or barrier layer type
Subclass 96.8: Vapor or gas deposition
Subclass 97.4: With posttreatment of coating or coating material

Class 430: Radiation Imagery Chemistry: Process, Composition, Or Product Thereof

This is the generic class for: (1) Forming the likeness of an object, or an instrumented or discernible phenomenon, in a chemically defined receiver or in a receiver wherein radiation produces a chemical reaction, by use of radiation. (2) Finishing an image by chemical processing regardless how formed. (3) A radiation sensitive receiver, composition, or product disclosed solely for radiation imagery chemistry, and process of making same. (4) A nonradiation sensitive-receiver, composition, or product. (5) An imaged product by a process or employing a receiver, composition, or product.

Subclass 311: Making electrical device
Subclass 312: Including multiple resist image formation
Subclass 313: With formation of resist image, and etching of substrate or material deposition
Subclass 314: Etching of substrate and material deposition
Subclass 316: Multiple etching of substrate
Subclass 317: Insulative or nonmetallic dielectric etched
Subclass 318: Metal etched
Subclass 320: Making named article

Class 361: Electricity: Electrical Systems And Devices

Systems or devices which provide safety and protection for other systems and devices; control circuits for electromagnetic devices and non-electromagnetic-type relays. Systems or devices which discharge, or prevent the accumulation of electrical charge on or in an object or material; circuits for charging objects or materials. Systems for generating or conducting an electric charge. Systems which process electrical speed signals. Circuits for reversing the polarity of an electric circuit. Systems which cause the ignition of a fuel or an explosive charge. Systems and processes for demagnetizing a magnetic field. Transformers and inductors with integral switch, capacitor or lock. Electrostatic capacitors, per se. Housings and mounting assemblies with plural diverse electrical components. Electrolytic systems and devices.

Subclass 272: With protection or compensating means
Subclass 273: Self-healing
Subclass 277: Variable
Subclass 278: With significant electrode or terminal feature
Subclass 279: Gas or vacuum dielectric
Subclass 281: Electrical
Subclass 283.1: Pressure
Subclass 283.3: By differential capacitor
Subclass 284: Liquid level
Subclass 285: Fluid flow
Subclass 287: Mechanically variable
Subclass 290: By varying distance between electrodes
Subclass 291: Compression type
Subclass 292: By varying effective area of electrode
Subclass 301.4: Stack
Subclass 303: Significant electrode feature
Subclass 306.3: For multilayer capacitor
Subclass 311: Solid dielectric
Subclass 313: Layered
Subclass 505: Salt solute
Subclass 736: With printed circuit boards
Subclass 766: Capacitor and resistor
Subclass 793: Thick film component or material

Class 428: Stock Material Or Miscellaneous Articles

This is the residual class for: 1. Stock material in the form of a structurally defined web, sheet, rod, strand, fiber, filament, cell, flake, particle not provided elsewhere. 2. Stock material in the form of a web, sheet, mass or layer which consists of or contains a structurally defined constituent or element. 3. A nonstructural laminate defined merely in terms of the composition of one or more layers. 4. An article of manufacture or an intermediate-article not provided for elsewhere. 5. A process for applying an impregnating material to a naturally solid product such as a wood beam, a sheet of leather or a stone, or for applying a coating to a base, and which process includes no significant method step.

Subclass 209: Including metal layer
Subclass 697: Layer contains compound(s) of plural metals
Subclass 699: Next to second metal-compound-containing layer
Subclass 701: O-containing metal compound
Subclass 702: O-containing

Class 29: Metal Working

Metal working or shaping - it comprises processes, tools, machines, and apparatus not classifiable in the specific classes relating to the manufacture of articles from metal. It has been made the generic class for the following regardless of the composition of the blank, stock material, or article recited or worked upon: (a) process of electric condenser making; (b) a burnishing process; (c) a process of manufacture; (d) apparatus used to assemble or disassemble.

Subclass 25.42: Solid dielectric type
Subclass 623.5: Including coating or impregnating
Subclass 729: Means to assemble electrical device
Subclass 730: Storage cell or battery
Subclass 745: Conductor
Subclass 746: Electrode

Class 385: Optical Waveguides

(1) An optical waveguiding element, which conveys light from one point to another through an optically transparent elongated structure by modal transmission, total internal reflection, or total reflectorization. (2) A combination of an optical waveguiding element with an additional broadly recited optical element which couples light or a combination. (3) A combination of an optical waveguiding element with structure which mechanically joins this waveguiding element with another or with a diverse optical element. (4) An optical modulator where the modulation of a light wave characteristic is performed exclusively within an optical waveguiding element. (5) Other miscellaneous devices formed of an optical waveguide (e.g., a waveguide sensing device) and supplemental devices which are limited to use with an optical waveguide (e.g., an external clamp or retainer).

Subclass 40: Electrodes on or near the coupling region
Subclass 43: Tapered coupler
Subclass 49: Fiber to thin film devices
Subclass 50: Waveguide to waveguide

Class 65: Glass Manufacturing

(1) processes and/or apparatus for making stock or articles of those ceramic masses, which generally include a "glass former" or an oxide which approaches glass forming properties, in their composition and which are formed by fusion of raw materials (generally mixtures, most of which are of an earthy nature - as distinguished from metallic, organic, etc., - silicon, silica, and slag are included) at ordinary high furnace temperatures, by working (molding, shaping, etc.) of the mass after being melted or changed to a plastic or softened state by heating; and (2) processes and/or apparatus for treating stock or articles made

Subclass 386: Planar waveguides

Class 117: Single-Crystal, Oriented-Crystal, And Epitaxy Growth Processes; Non-Coating Apparatus Therefor

Processes consisting of the single or repeated unit operation of forming a single-crystal of any type of material, including inorganic or organic; such processes combined with perfecting operations; and apparatus for conducting non-coating processes of this class.

Class 423: Chemistry Of Inorganic Compounds

This class provides for what is generally termed the field of inorganic chemistry. It includes inorganic compounds, nonmetallic elements and processes of producing the same involving a chemical reaction. The products are generally in a relatively pure state but may be a mixture with no other utility than as a source material for an inorganic compound or element. This includes metal compound products useful in metallurgical processes of obtaining free metals.

Subclass 594.16: Alkaline earth metal containing (Mg, Ca, Sr, or Ba)
Subclass 598: Titanium (e.g., titanate, etc.)

Class 429: Chemistry: Electrical Current Producing Apparatus, Product, And Process

This class is the generic class for devices which produce an electrical current by means of a chemical reaction or change in physical state (e.g., from liquid to gas, etc.). Also included are the following subject matter not provided for elsewhere. 1. Structural combinations of the device, subcombinations and elements thereof. 2. Electrolyte, compositions of the same, and process of preparation. 3. Process of operating the device. 4. Miscellaneous process involving the device.cata

Subclass 30: Solid electrolyte
Subclass 33: Electrolyte composition chemically specified
Subclass 40: Catalytic electrode structure or composition