Company patents
STMICROELECTRONICS PTE LTD
STMICROELECTRONICS PTE LTD's patent strategy reveals a strong, albeit fluctuating, focus on core semiconductor technologies, with Semiconductor Packaging & Encapsulation and Chip-to-Chip Interconnect (Bonding, Bumps) each representing 43.4% of its portfolio, despite significant year-over-year declines in 2024 and 2026 so far. Surprisingly, while many traditional semiconductor areas saw declines in 2026, the company is showing an emerging focus on Semiconductor Diodes & Transistors, with a remarkable 300.0% year-over-year growth in 2026 (4 patents so far), suggesting a strategic pivot or renewed investment in fundamental device structures.
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.
76 US filings (since 2023) · 12 categories · 20 themes
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.
Methods and structures for assembling laser chips into functional modules, encompassing optical alignment, electrical interconnection, mechanical support, thermal management, and encapsulation for protection.
Integration of various sensor types (e.g., thermal, strain) or display components directly onto semiconductor substrates or within device architectures for compact and high-performance systems.
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.
Techniques and methodologies for fabricating semiconductor devices, including etching, deposition, annealing, isolation, and doping steps, aimed at improving yield, performance, or enabling new structures.
Advanced techniques for forming and optimizing gate dielectrics, work function layers, and other dielectric layers within transistor structures to improve performance, reliability, and scaling.
Focuses on the design and manufacturing of transistors where the gate material fully encircles the channel, often using nanosheets or fins, to improve electrostatic control and reduce short-channel effects.
Novel materials and processes for forming low-resistance electrical contacts and interconnects within semiconductor devices, including selective deposition, silicidation, and barrier layers for improved performance and scaling.
Materials and processes for hermetic encapsulation, conformal coating, optical chip sealing, and stretchable conductors for electronic and optoelectronic devices.
Integrated solutions for dissipating heat generated by high-density semiconductor devices within the package, including embedded cooling structures, cold plates, and optimized fluidic channels.
Manufacturing processes and structural designs for transistors utilizing fin-shaped channels or multiple gates (e.g., FinFETs, Gate-All-Around FETs) to enhance gate control and reduce short-channel effects.
Combining different types of functional chiplets (e.g., compute, memory, I/O, optical, power, biological) into a single package or system, often to optimize performance, power, or cost by leveraging specialized components.
Development of novel materials and designs for bonding, sealing, and underfill applications, focusing on improving mechanical integrity, electrical performance, and preventing defects like cracks or delamination in chip-to-chip connections.
Focuses on advanced pixel architectures, often involving vertical stacking (3D) or silicon-on-insulator (SOI) structures, to improve performance, density, or functionality of photodiodes, transistors, and floating diffusion regions within image sensor pixels.
Image sensors tailored for specific advanced functionalities beyond basic image capture, such as high dynamic range (HDR) imaging, single-photon detection, auto-focus, or distance measurement (LiDAR), often incorporating specialized pixel designs or processing.
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.
Layout, material composition, and structural arrangement of photoelectric conversion elements and associated circuitry within image sensor arrays, including infrared detectors and back-side illuminated structures.
Novel electrical connection methods within or between package components, including through-glass vias (TGVs), backside contacts, and optimized redistribution layers for improved signal and power integrity.
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.
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.
Patents
Showing 1-6 of 6
Heterogeneous Chiplet Integration