Thyristor TRIZ Cases

A single photoresist layer patterns both the common electrode and spacer, reducing mask count and manufacturing costs in liquid crystal displays.

Thicker drift layers in the IGBT peripheral region increase dielectric breakdown strength without raising on-resistance.

Ion implantation establishes localized doping profiles within vertical GaN junctions to distribute breakdown current away from device edges.

A semiconductor device uses local quality to position solder layer ends inward of the peripheral electrode.

A Schottky diode structure uses a conductive ring separated by insulating layers to manage electric fields.

A semiconductor device uses a graded doping concentration profile to optimize electric field distribution within the drift region.

Segmented thin and thick metal films relax internal electric fields to maintain reliability despite wet etching variations.

Inclined edge surfaces absorb stress in inter-layer insulating films, preventing semiconductor thin film cracks and contact electrode peeling.

Active auxiliary circuits divert current through resistive elements to manage voltage across semiconductor switching assemblies.

Outwardly convex shoulder portions expand effective electrode connection width on semiconductor mesa structures, resolving miniaturization trade-offs.

An avalanche generating unit protects gate insulating films from large electric fields during high drain voltage conditions.

Localized p-type base doping in a trench insulated-gate bipolar transistor stabilizes the gate threshold voltage while reducing switching losses.

A vertical thyristor integrates a Schottky diode using a lightly-doped P-type layer to enable high-frequency operation.

Postdoping semiconductor wafers with proton implantation and thermal processes to create hydrogen-induced donors.

Series resistive and capacitive elements across the input line protect thyristors, eliminating costly RC snubbers and ferrites.

Multiple ESD protection modules share excess current via a resistive network and common semiconductor layer for coordinated triggering.

Synchronized sampling filters transient power-on spikes, preventing false triggering while detecting sustained overheating in AC switches.

Standoff conductive layers connect semiconductor die contact pads via encapsulant bumps, eliminating interconnect bump defects that lower manufacturing yield.

A power electronic arrangement integrates a reverse-conducting structure with a semiconductor switch to handle forward and reverse currents.

A thyristor gate control circuit diverts high voltage across a winding, preventing controller damage during initial power-on or fault conditions.

A silicon carbide MOS thyristor uses varying p-type base region impurity concentrations to modulate conductivity and reduce ON resistance.

A vertical transistor structure uses a buried bit line to electrically connect source and substrate regions.

Deep-level dopants in a composite semiconductor emitter reduce temperature-dependent on-state power losses while maintaining device reliability.

Segmented doping creates low electric fields at edges, preventing termination breakdown and ensuring reliable high-current operation.

Segmenting the p-type base into distinct doping regions enables independent adjustment of gate turn-on voltage while maintaining high breakover voltage.

Lateral channel extension mitigates short channel effects and leakage currents by using a polysilicon hard mask to define the body region.

Segmented edge termination regions with linearly increasing dopant concentrations enhance robustness against surface charges and cosmic radiation.

Segmented dielectric layers reduce gate capacitance by over 20% while maintaining manufacturing simplicity and gate oxide integrity.

Separating trigger and main current paths in a segmented thyristor reduces voltage drop and hold current, resolving non-stable breakdown voltages.

A one-way switch references its gate to the main back side electrode via a P-type strip connecting the N-type gate well to the P-type wall.

A reverse-conducting power semiconductor device incorporates a diode buffer layer with higher doping concentration to reduce lateral and vertical PNP gain.