Patent for Sale:

Photonics Signaling for Highspeed Chip Communication, Clocking and Synchronization    

Highly innovative inventions to integrate optical signals in a chip with minimal disruption to current manufacturing process which will improve performance and reduce costs in semiconductor devices.

Overview

Researched, developed and offered for sale by a leading semiconductor corporation, this portfolio provides high-speed, low-power optical clocking and optical I/O inventions for use in routers, switches, CPUs, GPUs, and other electronics devices.

The patents cover a variety of topics, including:

- Fabrication of planar waveguide structures.
- Integrated waveguides.
- Optical ready wafer substrates (with embedded waveguides).
- Integrated on-chip detectors.
- On-off chip coupler.
- Advanced clock synchronization.

The seller would like to be granted a license back.

The seller may consider selling these patents individually.

Patent Summary

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

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.

Subclass 103: Using an energy beam or field, a particle beam or field, or a plasma (e.g., ionization, PECVD, CBE, MOMBE, RF induction, laser)
Subclass 104: Using an organic precursor (e.g., propane, metal-organic, MOCVD, MOVPE)
Subclass 84: FORMING FROM VAPOR OR GASEOUS STATE (E.G., VPE, SUBLIMATION)
Subclass 89: Including change in a growth-influencing parameter (e.g., composition, temperature, concentration, flow rate) during growth (e.g., multilayer or junction or superlattice growing)

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 129: PLANAR OPTICAL WAVEGUIDE
Subclass 130: Thin film optical waveguide
Subclass 131: Multilayer structure (mixture)
Subclass 14: INTEGRATED OPTICAL CIRCUIT
Subclass 141: HAVING PARTICULAR OPTICAL CHARACTERISTIC MODIFYING CHEMICAL COMPOSITION
Subclass 142: Of waveguide core
Subclass 40: Electrodes on or near the coupling region

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 31: Optical waveguide structure
Subclass 65: Having additional optical element (e.g., optical fiber, etc.)

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 184: Light responsive structure
Subclass 438: Avalanche junction
Subclass 449: Schottky barrier (e.g., a transparent Schottky metallic layer or a Schottky barrier containing at least one of indium or tin (e.g., SnO 2 , indium tin oxide))
Subclass 458: PIN detector, including combinations with non-light responsive active devices
Subclass E31.065: Schottky potential barrier (EPO)
Subclass E31.128: Device having potential or surface barrier (EPO)
Subclass E21.529: Measuring as part of manufacturing process (EPO)

Class 372: Coherent Light Generators

An assembly of electrical, mechanical, and optical components produces an intense, coherent, directional beam of light by stimulating electronic, ionic, or molecular transitions to lower energy levels.

Subclass 18: Mode locking
Subclass 20: Tuning
Subclass 38.1: PARTICULAR COMPONENT CIRCUITRY
Subclass 38.02: For driving or controlling laser
Subclass 64: Waveguide

Class 359: Optical: Systems And Elements

Optical elements included in this class are: Lenses; Polarizers; Diffraction gratings; Prisms; Reflectors; Filters; Projection screens; Optical Modulators; Optical Demodulators. Among the optical systems included in this class are: Compound lens systems; Light reflecting signalling systems (e.g., retroreflectors); stereoscopic systems; Binocular devices; Systems of lenticular elements; Systems involving light interference; Glare reducing systems; Light dividing and combining systems; Light control systems (e.g., light valves); building illumination with natural light; Systems for protecting or shielding elements; Optical systems whose operation depends upon polarizing, diffracting, dispersing, reflecting, or refracting light; kaleidoscopes. Further included are certain apertures, closures, and viewing devices of a specialized nature which involve no intentional reflection, refraction, or filtering of light rays. This class also includes optical elements combined with another type of structure(s) to constitute an optical element combined with a nonoptical structure or a perfection or improvement in the optical element.

Subclass 34: With optical waveguide

Class 362: Illumination

Means and processes for casting visible radiant energy in at least one direction to render objects in that direction visible.

Subclass 610: Optical waveguide