Contact Materials TRIZ Cases

See how integrating a contact rivet directly into the circuit board eliminates contact resistan

See how direct contact rivet integration into the circuit board eliminates transition resistanc

See how a mechanically actuated superconducting switch uses magnet coil wire ends directly to e

Mechanical contact between magnet coil wire ends replaces heaters and ancillary coils, cutting cryogenic heat dissipation and enabling stable switching.

Sacrificial contacts close before conductive contacts to absorb arcing and heat, extending switch life while lowering impedance and heat generation.

Movable grounding components maintain low-resistance contact on manufacturing tools, cutting arcing and extending tool life.

Ridge-based force-fit positioning keeps the contact rod and piece aligned during soldering, improving joint stability under mechanical stress.

Self-passivating metal contacts and conductors form a dielectric film underwater, preventing arcing and avoiding costly waterproof housings.

Functionalized graphene in a metal contact layer cuts wear and contact welding while preserving electrical properties in switching devices.

Zinc-plated arcing contacts use controlled corrosion and anode ion depletion to interrupt DC fault currents without natural zero crossing.

Movable, biased grounding components maintain contact on varying surfaces to cut arcing and extend manufacturing tool life.

A same-side contact and load terminal layout shortens current paths in a clapper relay, cutting heat and simplifying high-current PCB use.

Doped ceramic contact pieces raise resistance during DC switching to suppress arcs and dissipate stored energy as heat.

A protruding wear-resistant contact concentrates friction away from the conductive layer, improving wear life while preserving electrical conductivity.

Surface-treated carbon particles create protrusions in a thin silver coating to suppress copper diffusion, oxidation, and wear in sliding contacts.

An offset fixed-contact layout softens current direction changes, reducing electrodynamic reopening forces in medium-voltage cut-off switches.

Offset fixed contact portions soften current-direction changes, reducing short-circuit reopening forces and arc damage in switches.

Different materials in the movable and fixed contacts cut diameter and material use while preserving switching power and mechanical strength.

Uniform copper-chromium powder with tightly controlled composition reduces sintered variability and stabilizes electrical contact characteristics.

A bypass coil layout boosts axial magnetic field intensity beyond the main generation region, improving arc interruption and contact life.

Through-hole metal sheets and thermal vulcanization stop rubber overflow while preserving firm bonding and stable conductivity.

Undulating electrode surfaces resist adhesive wear while maintaining stable contact resistance and low surge resistance in repeated switching.

A spherical fixed contact and planar movable contact cut resistance while limiting slippage, wear, and eccentric-contact instability.

Freeze casting aligns reinforcement in circuit breaker contacts to improve directional conductivity, cut losses, and support better switching.

Welded silver tin-oxide contacts and overtravel control improve ATS contact bonding, resist fusion welding, and extend electrical life.

Cold-sprayed aluminum on copper switch contacts enables welded joints that reduce wear, improve current diversion, and preserve vacuum integrity.

Different contact materials and shapes improve short-circuit switching and welding resistance in vacuum interrupters while managing cost.

Carbon particles and Sb in an Ag plating layer increase hardness and adhesion while keeping friction low for reliable sliding contacts.

Surface cleaning after silver-carbon electroplating cuts carbon particle dropout while preserving low friction and wear resistance in sliding contacts.

Graphite carbon contacts in a CO2 dielectric chamber avoid metal vapor interference and improve high-voltage arc interruption with lower greenhouse impact.

A UV-cured polymer gel coating stabilizes electrical contacts, cutting resistance and noise without leakage or contamination over repeated reconnections.

A thin electroplated copper-tin adhesion layer enables strip galvanic coating of aluminum connectors while avoiding grain boundary corrosion.

A resistance-welded interlocking joint bonds contact and carrier in one step to prevent delamination, settlement, and rising resistance.

A two-layer contact piece uses refractory material only at the arc surface and copper beneath to cut cost while maintaining durability and low resistance.

A removable copper-to-aluminum core cuts moving conductor mass after brazing, enabling faster circuit breaker opening and less arcing.

A translucent touch region and through-hole elastic member localize LED light, improving appearance and avoiding full-sensor illumination defects.

A plug-in or clamp conductive plastic body secures the capacitive sensor without adhesives, simplifying assembly and improving fastening stability.

Differential material properties cause asymmetric contact dissolution under overcurrent, maintaining stable energization when gaps form.

Elastic substrate protrusions replace separate scissors-shaped units and elastic elements, reducing material costs and physical volume.

A segmented contact assembly uses distinct conductive members to manage electrical flow and mechanical spacing within a switching device.

A contact finger device uses a segmented flexible rod with metal blades to transmit electrical current between conductive parts.

A composite electrode material with a copper center and chromium outer layer.