Semiconductor Devices TRIZ Cases

Selective epitaxial growth introduces lattice mismatch to induce mechanical stress within the transistor channel region.

A power semiconductor component with a two-stage doping profile reduces blocking currents and switching losses without complex irradiation.

Grinding flattening electrodes to reduce recess depth below 100 nm prevents partial unbonding and peeling off from the package.

A semiconductor device uses a reflective layer to redirect unabsorbed photons back into the depletion region for secondary absorption.

Curved ridges with altitude angles under 40 degrees redirect reflected light away from phosphors, reducing attenuation and improving extraction.

A reflector layer blocks current injection beneath a metal busbar while reflecting light to reduce absorption losses.

Segmented quantum wells in the active layer reduce luminous efficiency loss by enabling multi-wavelength emission without complex horizontal structures.

Dehydrofluorination induces beta-phase crystallization in PVDF films to boost piezoelectric strain coefficients.

Removing the substrate eliminates color degradation from light absorption while metal pillars and resin provide structural support and heat dissipation.

Segmenting the housing with black dye and white fillers resolves the trade-off between surface reflectivity and local contrast while preventing paint peeling.

A gate electrode with two portions having different work functions reduces threshold voltage and relieves hot carrier effects in semiconductor devices.

Segmented buffer layers with graded composition release lattice mismatch stress, lowering dislocation density and enhancing luminous efficiency in deep UV LEDs.

Periodic substrate bumps and peripheral semiconductor protrusions scatter light beams, reducing internal total reflection that causes light absorption.

A long-wavelength pass filter reflects blue light and transmits 500 to 700 nm emission through alternating thin films.

A package structure with an inward recessed groove guides light from lateral chip sides to improve extraction efficiency.

Segmented etch stops control contact lengths in optical integrated circuits, resolving via etch precision trade-offs.

Fusion bonding a gallium arsenide heterojunction bipolar transistor to a silicon substrate reduces base-collector capacitance and dissipates heat.

Segmented trenches with high doping contact regions suppress latch-up during miniaturization by extracting holes away from the emitter.

A composite (SiO2)n(Si3N4)m gate insulating film restricts impurity diffusion in semiconductor devices.

A graded InAlGaN cap layer reduces potential barriers at the ohmic electrode interface.

A semiconductor device uses a trench separation structure to demarcate regions and maintain an electrically floating state in the outer area.

Chemical etching creates textured surfaces that break quasi-guided trajectories, boosting extraction efficiency to 82 percent.

An intrinsic absorber layer in a lateral-effect position-sensing detector reduces capacitance and dark current while enhancing temporal response.

A thermochromic coating changes hue to reduce brightness and block blue light emission from the LED structure.

Hydrogen and nitrogen annealing reduces trench sidewall roughness below 0.1 nm, suppressing interface scattering and enhancing carrier mobility.

A vertical MOSFET uses a field plate electrode to disperse electric fields and suppress secondary breakdown in semiconductor devices.

Segmenting signal paths via a light-emitting intermediary minimizes thickness-induced errors and expands dynamic range in high-intensity imaging sensors.

An irregular convex-concave pattern on the first conductivity-type semiconductor layer disperses electric current across the electrode contact area.

Alternating buffer and pattern mask layers block misfit dislocations, preventing defects from propagating to semiconductor layers.

A trench gate power MOSFET structure incorporates a horizontal gate electrode lead portion under the gate wiring to increase gate capacitance.

Pressure ramping during MOCVD growth creates a graded p-GaN layer that resolves the trade-off between electrical conductivity and light output power.

A narrow active cell IE type trench gate IGBT features a two-dimensional thinned-out structure with P-type floating regions extending to trench bottoms.

Positioning the conductive layer inside the laminated body prevents peeling and chemical deterioration while maintaining electrical connectivity.

Layout optimization reduces channel-to-cathode interference in RC-IGBTs by applying a relational expression for diffusion and lifetime parameters.

Segmenting carrier supply layers reduces gate leakage current while maintaining normally-off operation.

A semiconductor device uses a floating electrode to stabilize voltage distribution across layered structures.

Insulating layers in a Schottky barrier diode prevent depletion layer extension, reducing field concentration and increasing reverse surge capacity.

A silicon carbide power MISFET integrates a shallower field relaxation layer to enable unipolar rectification within the same chip.

Strain engineering in GaN transistors uses piezoelectric polarization to invert interface charge for normally-off operation.

A LED package structure uses a reflective layer on an annular protruding portion to redirect light output.

High-temperature pre-baking at 740-840°C and pressure above 150 torr eliminates native oxides, reducing epitaxial buffer layer defects by up to 80%.

A surrounding gate transistor uses segmented gates separated by insulating bodies to reduce parasitic capacitance.

Segmenting the gate electrode isolates the channel carrier mobility from manufacturing complexity, reducing on-resistance and threshold voltage sensitivity.

Pulse spraying deposits a thixotropic resin mixture onto light emitting elements, reducing cover tape adhesion and improving release during mounting.

Segmented trenches isolate floating p-type regions to restrict gate voltage rise and improve turn-on di/dt controllability.

Segmenting the lens onto a separate substrate resolves production cost and integration density trade-offs while maintaining omnidirectional light distribution.

A semiconductor device uses a deeper source trench than gate trench to expand the depletion layer.