# US 11,444,417 B2 · RF connector element and RF connector system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,444,417 B2 - Document ID: US11444417B2 - Status: Granted - Kind: B2 - Application number: 16/983,397 - Filed: 2020-08-03 - Published: 2021-02-04 - Granted: 2022-09-13 - Earliest claimed: 2019-08-02 - Assignees: TE Connectivity Germany GmbH; TE Connectivity Services GmbH - Applicants: TE Connectivity Germany GmbH; TE Connectivity Services GmbH - Inventors: Mohammad Nikfal; Christian Mandel; Chang Hyo Yun; Abiel Kidane - Web page: https://patentgrep.com/patent/US11444417B2 ## CPC - H01R 13/6477: by variation of dielectric properties - H01R 24/40: specially adapted for high frequency - H01R 24/44: comprising impedance matching means - H01R 13/405: Securing in non-demountable manner, e.g. moulding, riveting - H01R 24/60: Contacts spaced along planar side wall transverse to longitudinal axis of engagement - H01R 2103/00: Two poles - H01R: ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS ## Abstract A first RF connector element mating with a second RF connector element includes a first terminal having a first contact region, a second terminal having a second contact region, and a first electrical insulator element electrically insulating the first terminal and the second terminal. The first electrical insulator element has a first contact support part and a first compensation part. The first contact support part is integrally formed of a first dielectric material and has a first relative dielectric constant. The first compensation part is integrally formed with the first contact support part of a second dielectric material, the second dielectric material having a second relative dielectric constant greater than the first relative dielectric constant. The first compensation part is arranged at a front end region of the first electrical insulator element and at least partly encompasses the first contact region. ## Claims ### Claim 1 A first RF connector element for mating with a second RF connector element, comprising: a first terminal having a first contact region electrically connecting with a first mating terminal of the second RF connector element; a second terminal having a second contact region electrically connecting with a second mating terminal of the second RF connector element; and a first electrical insulator element electrically insulating the first terminal and the second terminal, the first electrical insulator element has a first contact support part and a first compensation part, the first contact support part is integrally formed of a first dielectric material and has a first relative dielectric constant, the first compensation part is integrally formed in a single piece with the first contact support part of a second dielectric material different from the first dielectric material, the second dielectric material having a second relative dielectric constant greater than the first relative dielectric constant, the first compensation part is arranged at a front end region of the first electrical insulator element and at least partly encompasses the first contact region. ### Claim 2 (depends on 1) The first RF connector element of claim 1, wherein the first terminal is a first inner conductor and the second terminal is a first outer conductor that surrounds the first inner conductor. ### Claim 3 (depends on 1) The first RF connector element of claim 1, wherein the first terminal is a first inner conductor and the second terminal is a second inner conductor. ### Claim 4 (depends on 3) The first RF connector element of claim 3, further comprising a first outer conductor surrounding the first terminal and the second terminal. ### Claim 5 (depends on 1) The first RF connector element of claim 1, wherein a ratio between the first relative dielectric constant and the second relative dielectric constant is in a range between 1/35 and 5/8. ### Claim 6 (depends on 1) The first RF connector element of claim 1, wherein the first electrical insulator element is produced by injection molding the first contact support part from the first dielectric material and subsequently overmolding the first compensation part from the second dielectric material. ### Claim 7 (depends on 1) The first RF connector element of claim 1, wherein the first terminal is a receptacle. ### Claim 8 (depends on 1) The first RF connector element of claim 1, wherein: the first terminal includes a first inner conductor and a second inner conductor for defining a twin-axial connector element; and the first electrical insulator element electrically insulates the first inner conductor and the second inner conductor. ### Claim 9 A second RF connector element for mating with a first RF connector element, comprising: a first mating terminal having a first mating terminal contact region electrically connecting with a first terminal of the first RF connector element and a first mating terminal end region electrically connecting with a first conductor of an RF cable element; a second mating terminal having a second mating terminal contact region electrically connecting with a second terminal of the first RF connector element and a second mating terminal end region electrically connecting with a second conductor of the RF cable element; and a second electrical insulator element electrically insulating the first mating terminal and the second mating terminal, the second electrical insulator element has a second contact support part and a second compensation part, the second contact support part is integrally formed of a third dielectric material and has a third relative dielectric constant, the second compensation part is integrally formed with the second contact support part of a fourth dielectric material, the fourth dielectric material having a fourth relative dielectric constant greater than the third relative dielectric constant, the second compensation part is arranged at a rear end region of the second electrical insulator element and at least partly between the first mating terminal end region and the second mating terminal end region. ### Claim 10 (depends on 9) The second RF connector element of claim 9, wherein a ratio between the third relative dielectric constant and the fourth relative dielectric constant is in a range between 1/35 and 5/8. ### Claim 11 (depends on 9) The second RF connector element of claim 9, wherein the second electrical insulator element is fabricated by injection molding the second contact support part from the third dielectric material and subsequently overmolding the second compensation part from the fourth dielectric material. ### Claim 12 (depends on 9) The second RF connector element of claim 9, wherein the first mating terminal is a pin. ### Claim 13 (depends on 9) The second RF connector element of claim 9, wherein the third dielectric material is different from the fourth dielectric material. ### Claim 14 An RF connector system, comprising: a first RF connector element including: a first terminal having a first contact region; a second terminal having a second contact region; and a first electrical insulator element electrically insulating the first terminal and the second terminal, the first electrical insulator element has a first contact support part and a first compensation part, the first contact support part is integrally formed of a first dielectric material and has a first relative dielectric constant, the first compensation part is integrally formed with the first contact support part of a second dielectric material, the second dielectric material having a second relative dielectric constant greater than the first relative dielectric constant, the first compensation part is arranged at a front end region of the first electrical insulator element and at least partly encompasses the first contact region; and a second RF connector element mating with the first RF connector element and including: a first mating terminal having a first mating terminal contact region electrically connecting with the first terminal and a first mating terminal end region electrically connecting with a first conductor of an RF cable element; a second mating terminal having a second mating terminal contact region electrically connecting with the second terminal and a second mating terminal end region electrically connecting with a second conductor of the RF cable element; and a second electrical insulator element electrically insulating the first mating terminal and the second mating terminal, the second electrical insulator element has a second contact support part and a second compensation part, the second contact support part is integrally formed of a third dielectric material and has a third relative dielectric constant, the second compensation part is integrally formed with the second contact support part of a fourth dielectric material, the fourth dielectric material having a fourth relative dielectric constant greater than the third relative dielectric constant, the second compensation part is arranged at a rear end region of the second electrical insulator element and at least partly between the first mating terminal end region and the second mating terminal end region. ### Claim 15 (depends on 14) The RF connector system of claim 14, wherein the first compensation part at least partly surrounds the first mating terminal contact region when the first RF connector element and the second RF connector element are mated. ### Claim 16 (depends on 14) The RF connector system of claim 14, wherein the second relative dielectric constant and the fourth relative dielectric constant are equal. ### Claim 17 (depends on 14) The RF connector system of claim 14, wherein the first relative dielectric constant and the third relative dielectric constant are equal. ### Claim 18 (depends on 14) The RF connector system of claim 14, wherein the second dielectric material is different from the first dielectric material. ### Claim 19 (depends on 18) The RF connector system of claim 18, wherein the third dielectric material is different from the fourth dielectric material. ### Claim 20 (depends on 14) The RF connector system of claim 14, wherein an air gap is defined between a front surface of the first compensation part and an opposing front surface of the second compensation part in a longitudinal direction of the connector system.