Company patents

DISCO CORPORATION

DISCO CORPORATION, while maintaining a strong focus on Semiconductor Manufacturing Process (47.8% of portfolio), surprisingly shows a significant emerging interest in Semiconductor Testing, with a 112.5% year-over-year growth in 2025, and Semiconductor Packaging & Encapsulation, which grew by 100.0% in 2025, indicating a strategic expansion into broader semiconductor lifecycle technologies beyond core manufacturing, despite a general decline in patenting activity across most categories so far in 2026.

Patent Trend by Technology Area

Yearly patent publications since 2023

Product themes

Product-level themes inferred from filings since 2023, with category chips showing where each theme appears. Select a theme to filter the patents below.

961 US filings (since 2023) · 12 categories · 23 themes

Precision Substrate and Wafer Cleaning is up +34.1% YoY. Worth a look.
Temporary Wafer Bonding & Debonding

Methods for temporarily attaching a wafer or substrate to a carrier for thinning, dicing, or other processing, followed by controlled debonding, often using light-sensitive resins, temporary adhesives, or roughened interfaces.

Semiconductor Manufacturing ProcessChip-to-Chip Interconnect (Bonding, Bumps)
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270since 2023
+28.8%YoY
Post-Processing Cleaning & Conditioning

Methods and apparatus for cleaning polishing pads, dressers, chamber components, or finished substrates to remove residues, debris, or contaminants, often involving specialized nozzles, fluids, or mechanical actions.

Grinding & Polishing
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217since 2023
+23.7%YoY
Wafer Handling and Process Environment Control

Systems and methods for automated substrate transport, precise positioning, temperature regulation, and chamber environment management to ensure process stability, uniformity, and yield in semiconductor manufacturing.

Semiconductor Manufacturing Process
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196since 2023
+14.8%YoY
Wafer Bonding & Stacked Device Inspection

Inspection and testing methods specifically designed for wafers before, during, or after bonding processes, including verification of bonding surfaces, alignment, and defect detection in multi-wafer or stacked die assemblies.

Semiconductor Testing
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185since 2023
+22.4%YoY
Precision Substrate and Wafer Cleaning

Specialized cleaning techniques and apparatus designed for removing microscopic contaminants, residues, or films from sensitive substrates, such as semiconductor wafers or flat panel displays, often involving chemical, mechanical, or plasma-based methods.

Cleaning Processes
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170since 2023
+34.1%YoY
Laser Material Processingfiltered

Techniques and systems utilizing laser beams for precise material modification, including cutting, cladding, ablation, and surface treatment, often for joining, shaping, or removing material.

Welding & Soldering
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154since 2023
-5.0%YoY
Micro-LED Array Fabrication

Methods and structures for mass-producing and assembling arrays of micro-LEDs onto a substrate, including transfer processes, bonding techniques, and defect management.

LED & Optoelectronics (Legacy CPC)
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146since 2023
+29.0%YoY
Automated Grinding & Polishing Systems

Integration of robotics, sensors, and control systems to automate the grinding, polishing, or deburring process, including workpiece handling, tool adjustment, and system maintenance for improved efficiency and precision.

Grinding & Polishing
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100since 2023
-3.8%YoY
Welding Process Control

Systems and methods for precisely controlling welding parameters such as power, speed, oscillation, and material feed to optimize weld quality, consistency, and efficiency, often involving automated or semi-automated processes.

Welding & Soldering
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78since 2023
-13.6%YoY
Electronic Component Bonding

Specialized welding or bonding techniques and apparatuses tailored for joining small-scale electronic components, integrated circuits, or semiconductor wafers, emphasizing precision, miniaturization, and electrical connectivity.

Welding & Soldering
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59since 2023
-44.4%YoY
Specialized Abrasive & Deburring Tools

Design and application of abrasive tools and deburring heads tailored for specific geometries, materials, or access constraints, including flexible, expandable, or multi-component designs for precision finishing.

Grinding & Polishing
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53since 2023
-6.2%YoY
Precision Surface Metrology & Control

Techniques and devices for measuring, monitoring, and controlling the surface topography, film thickness, or other characteristics of a workpiece during or after grinding/polishing to achieve specific finish requirements.

Grinding & Polishing
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26since 2023
-25.0%YoY
Chemical Mechanical Planarization & Wet Surface Treatment

Processes involving chemical and mechanical forces to planarize surfaces (CMP) or wet chemical treatments for cleaning, etching, or material removal, often utilizing specialized compositions, nozzles, or fluid management systems.

Semiconductor Manufacturing Process
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25since 2023
+25.0%YoY
Advanced Material Characterization

Techniques and systems for precisely measuring electrical or electromagnetic properties of materials or components, often involving specialized resonators, waveguides, or multi-range measurement systems to ensure accuracy.

Semiconductor Testing
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13since 2023
+33.3%YoY
3D Die Stacking & Vertical Interconnects

Techniques for stacking multiple semiconductor dies or active layers vertically to achieve higher density and shorter interconnections, often utilizing through-silicon vias (TSVs) or other vertical conductive paths like through-hole electrodes.

Chip-to-Chip Interconnect (Bonding, Bumps)Semiconductor Packaging & Encapsulation
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11since 2023
0.0%YoY
CMP Pad & Slurry Chemistry

Focuses on the chemical and physical properties of polishing slurries and the design of polishing pads, including their material composition, groove patterns, and thermal characteristics, to optimize chemical-mechanical planarization processes.

Grinding & Polishing
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11since 2023
-83.3%YoY
Advanced Etching & Patterning Control

Techniques for precise material removal, pattern shaping, and controlling etch selectivity or uniformity, often involving plasma, wet chemistry, or directed beams to achieve desired features on semiconductor substrates.

Semiconductor Manufacturing Process
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9since 2023
-60.0%YoY
Fan-Out & Embedded Die Packaging

Packaging technologies where bare dies are embedded within a mold compound or substrate cavity, and then interconnected using redistribution layers (RDLs) for fan-out or compact integration, often avoiding through-silicon vias in the chips themselves.

Chip-to-Chip Interconnect (Bonding, Bumps)
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8since 2023
new
Automated Visual Inspection

Systems that employ imaging and image processing to automatically detect defects, verify states, or ensure quality control in manufactured goods, printed materials, or industrial processes.

Material & Chemical Analysis
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7since 2023
+100.0%YoY
Encapsulation Materials & Processes

Development and application of resin compositions, molding compounds, and underfill materials to protect semiconductor devices from environmental factors, moisture, mechanical stress, and for structural integrity.

Semiconductor Packaging & Encapsulation
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6since 2023
+100.0%YoY
Advanced Optical Imaging & Lens Design

Development of sophisticated optical lens assemblies and computational methods to achieve high-resolution, precise, or specialized imaging, often for medical or scientific applications.

Optical Elements & Systems
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4since 2023
-33.3%YoY
Precision Motion Metrology

Systems and methods for accurately measuring and compensating for position, orientation, and movement errors in mechanical systems, often for manufacturing, robotics, or optical alignment.

Length / Distance Measurement
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1since 2023
new
Optical 3D Surface Metrology

Techniques and systems for measuring three-dimensional shapes, depths, or surface profiles using optical principles, including diffraction, interferometry, structured light, and imaging.

Length / Distance Measurement
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1since 2023
n/a

Patents

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Laser Material Processing
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