# US 9,518,555 B2 ยท Radiation devices > Agents: this data is available as JSON from the patentgrep API and MCP server โ€” see https://patentgrep.com/llms.txt - Number: US 9,518,555 B2 - Document ID: US9518555B2 - Status: Granted - Kind: B2 - Application number: 14/560,675 - Filed: 2014-12-04 - Published: 2016-06-09 - Granted: 2016-12-13 - Earliest claimed: 2014-12-04 - Assignees: Freescale Semiconductor, Inc. - Applicants: Mario M. Bokatius; Lakshminarayan Viswanathan; David P. Lester; Basim H. Noori; Pierre Marie J. Piel - Inventors: Mario M. Bokatius; Lakshminarayan Viswanathan; David P. Lester; Basim H. Noori; Pierre Marie J. Piel - Web page: https://patentgrep.com/patent/US9518555B2 ## CPC - F02P 23/04: Other physical ignition means, e.g. using laser rays - F02P 13/00: Sparking plugs structurally combined with other parts of internal-combustion engines ({connection of ignition coil to spark plug connector F02P3/02;} with fuel injectors F02M57/06 {; spark plug connector per se H01T13/04 โ€“ H01T13/06; predominant aspects of sparking plug, see H01T13/40 โ€“ H01T13/44}) - H01T 13/16: Means for dissipating heat - H01T 21/02: of sparking plugs - H05H 1/24: Generating plasma {(nuclear fusion reactors G21B1/00; gas-filled discharge reactors H01J37/32)} - H05H 1/52: using exploding wires or spark gaps (H05H1/26 takes precedence) - F02P 9/007: {by supplementary electrical discharge in the pre-ionised electrode interspace of the sparking plug, e.g. plasma jet ignition} - F02P: IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES ({anti-pollution means for internal-combustion engines F02B17/00}; specially adapted for rotary-piston or oscillating-piston engines F02B53/12; {ignition of gas turbine plants F02C7/26; ignition of jet propulsion plants F02K9/95; starting of combustion engines F02N9/00}; ignition of combustion apparatus in general, glowing plugs F23Q; measuring of physical variables in general G01; controlling in general G05; data processing in general G06; electrical components in general see Section H; {ignition coils H01F38/12}; sparking plugs H01T13/00) - H01T: SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES (overvoltage protection circuits H02H) - H05H: PLASMA TECHNIQUE (apparatus or processes specially adapted for producing X-rays H05G2/00); PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS ## Abstract A radiation device and related method are presented. The radiation device includes a body. The body includes a threaded portion configured to engage with a threaded opening in an engine and an open interior volume. The radiation device includes a ground electrode coupled to the body, a substrate disposed within the open interior volume in the body, and a radio frequency generator on the substrate. The radio frequency generator is configured to receive an input signal and, in response to the input signal, generate plasma energy between the body and the ground electrode. ## Claims ### Claim 1 A radiation device, comprising: a body, the body including a threaded portion configured to engage with a threaded opening in an engine and an open interior volume; a ground electrode coupled to the body; a substrate disposed within the open interior volume in the body; and a radio frequency generator on the substrate, the radio frequency generator being configured to receive an input signal and, in response to the input signal, generate plasma energy between the body and the ground electrode. ### Claim 2 (depends on 1) The radiation device of claim 1, including: a center electrode; and wherein the radio frequency generator is coupled to the center electrode. ### Claim 3 (depends on 2) The radiation device of claim 2, wherein the radio frequency generator is coupled to the center electrode by a wire bond, a conductive ribbon, or a conductive trace. ### Claim 4 (depends on 2) The radiation device of claim 2, wherein the center electrode includes a conductive trace formed over a first portion of the substrate. ### Claim 5 (depends on 4) The radiation device of claim 4, wherein there radio frequency generator is on a second portion of the substrate and the first portion of the substrate and the second portion of the substrate are foldably connected. ### Claim 6 (depends on 1) The radiation device of claim 1, including a terminal configured to receive a direct current voltage. ### Claim 7 (depends on 6) The radiation device of claim 6, wherein the terminal is connected to the ground electrode and the direct current voltage is configured to generate a spark between the body and the ground electrode. ### Claim 8 (depends on 6) The radiation device of claim 6, wherein the terminal is direct current isolated from the radio frequency generator. ### Claim 9 (depends on 1) The radiation device of claim 1, including a heat sink disposed within the open interior volume in the body, and wherein the heat sink is thermally coupled to the radio frequency generator. ### Claim 10 A radiation device, comprising: a body including a threaded portion configured to engage with a threaded opening in an engine; a ground electrode coupled to the body; a first input connected to the ground electrode, the first input configured to receive a direct current voltage configured to generate a spark between the body and the ground electrode; and a second input configured to receive an input signal, the second input configured to, in response to the input signal, generate a plasma energy between the body and the ground electrode. ### Claim 11 (depends on 10) The radiation device of claim 10, including a radio frequency generator coupled to the second input and the ground electrode, the radio frequency generator configured to receive the input signal and generate an output radio frequency signal, the output radio frequency signal being configured to generate the plasma energy between the body and the ground electrode. ### Claim 12 (depends on 11) The radiation device of claim 11, wherein the input signal is a control signal configured to control an operation of the radio frequency generator. ### Claim 13 (depends on 11) The radiation device of claim 11, wherein the input signal is a radio frequency input signal and the radio frequency generator is configured to amplify the radio frequency input signal to generate the output radio frequency signal. ### Claim 14 (depends on 11) The radiation device of claim 11, including: a center electrode; and wherein the radio frequency generator is coupled to the center electrode. ### Claim 15 (depends on 14) The radiation device of claim 14, wherein the radio frequency generator is coupled to the center electrode by a wire bond, a conductive ribbon, or a conductive trace. ### Claim 16 (depends on 11) The radiation device of claim 11, wherein the first input is direct current isolated from the radio frequency generator. ### Claim 17 A method, comprising: coupling a ground electrode to a body, the body including a threaded portion configured to engage with a threaded opening in an engine; connecting a first input to the ground electrode, the first input configured to receive a direct current voltage and, in response to the direct current voltage, generate a spark between the body and the ground electrode; and connecting a second input to the ground electrode, the second input configured to receive an input signal configured to generate a plasma energy between the body and the ground electrode. ### Claim 18 (depends on 17) The method of claim 17, including connecting a radio frequency generator to the second input and the ground electrode, the radio frequency generator configured to receive the input signal and generate an output radio frequency signal, the output radio frequency signal being configured to generate the plasma energy between the body and the ground electrode. ### Claim 19 (depends on 18) The method of claim 18, including connecting the radio frequency generator to the center electrode using a wire bond, a conductive ribbon, or a conductive trace. ### Claim 20 (depends on 18) The method of claim 18, including: mounting the radio frequency generator to a substrate; and disposing the substrate with an open interior volume of the body.