Inventor

HEMPHILL RALPH JASON

US57 patents

⚠️ This page may combine multiple inventors who share the name “HEMPHILL RALPH JASON”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HEMPHILL RALPH JASON

PACESETTER INC

Non-uniform etching of anode foil to produce higher capacitance gain without sacrificing foil strength

High capacitance anode and system and method for making same

Creation of porous anode foil by means of an electrochemical drilling process

Process for using surface active agents to produce high etch gains for electrolytic capacitor manufacturing

Method of producing high quality oxide for electrolytic capacitors

Process for producing high etch gains for electrolytic capacitor manufacturing

Anode foils for electrolytic capacitors and methods for making same

Thermal treatment of capacitor electrode materials

Using etch resist patterns and formation for facilitation of laser cutting, particle and leakage current reduction

Method of nano-patterning a foil surce

Oxide on edges of metal anode foils

Oxide on edges of metal anode foils

Reducing deformation in capacitors

High voltage capacitor with increased anode surface area and method of making same

Laser drilling of metal foils for assembly in an electrolytic capacitor

Electrically insulating continuous film for an aluminum electrolytic capacitor

Aluminum oxide layer on anode foil for aluminum electrolytic capacitor

Method of forming an aluminum oxide layer on anode foil for aluminum electrolytic capacitor

Etch solutions having bis(perfluoroalkylsulfonyl)imides, and use thereof to form anode foils with increased capacitance

Performance of porous capacitor electrodes

Formation of conduits in porous capacitor electrodes

Cathode subassembly with integrated separator for electrolytic capacitor, and method of manufacture thereof

Fabrication of capacitors and recovery of capacitor fabrication matertials

Increasing capacitance of a capacitor

Oxide on edges of metal anode foils

Use of nonafluorobutanesulfonic acid in a low PH etch solution to increase aluminum foil capacitance

Cathode subassembly with integrated separator for electrolytic capacitor, and method of manufacture thereof

Laser drilling of metal foils for assembly in an electrolytic capacitor

Electrically insulating continuous film for an aluminum electrolytic capacitor

Electrode feedthru having pin attached to wire therein and method of manufacturing

Laser drilling of metal foils for assembly in an electrolytic capacitor

Laser marking of raw anode foil to induce uniform pattering and etching with oxide passivation mask

Aluminum oxide layer on anode foil for aluminum electrolytic capacitor

Aluminum oxide layer on anode foil for aluminum electrolytic capacitor

Fabrication of capacitors and recovery of capacitor fabrication materials

Reduction of charging time in capacitors

Reducing variance in capacitor electrodes

Method of printing a conductive ink onto a cathode surface to increase surface area and capacitance

Process additives to reduce etch resist undercutting in the manufacture of anode foils

Use of nonafluorobutanesulfonic acid in a low pH etch solution to increase aluminum foil capacitance

Electrode feedthru having pin attached to wire therein and method of manufacturing

Use of etch resist masked anode frame for facilitation of laser cutting, particle and leakage current reduction

Performance of capacitor electrodes

Sonicating bath for anode foils

Electrode feedthru having pin attached to wire therein and method of manufacturing

Use of etch resist masked anode frame for facilitation of laser cutting, particle and leakage current reduction

Sonicating bath for anode foils

Method of stressing oxides

HEMPHILL RALPH JASON

Electrochemical drilling system and process for improving electrical porosity of etched anode foil

BOWEN DAVID R

Anode foils for electrolytic capacitors and methods for making same