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CN-122000730-A - Connector and processing method

CN122000730ACN 122000730 ACN122000730 ACN 122000730ACN-122000730-A

Abstract

The invention discloses a connector and a processing method thereof, wherein the connector comprises a shell, a plurality of contact pieces are arranged on the shell in an array penetrating way, the shell comprises an extension part and a connecting part, the connecting part forms a bulge towards the outer side of the extension part, the end faces of the extension part and the bulge of the shell, which are close to one side of the extension part, are first non-plating areas, the end faces of the connecting part and the side faces of the bulge are first plating areas, nickel plating palladium gold is locally selected in the shell of the connector, the contact welding areas with T/R assembly interfaces are covered, the conductivity, weldability, wear resistance and corrosion resistance of the contact areas of the connector and the T/R assembly interfaces are improved, the medium pressure resistance is improved, and the manufacturing cost is effectively controlled. The shell is integrally connected with the contact, so that heat generated during the working of the T/R assembly can be rapidly led out, the degradation of the connector interconnection interface performance caused by high temperature is effectively avoided, and the stable operation under the working condition of high power density is ensured.

Inventors

  • WANG BO
  • MA JIALE
  • Zhan Zijun
  • HUANG ZHIKUN

Assignees

  • 宁波吉品科技有限公司

Dates

Publication Date
20260508
Application Date
20260410

Claims (10)

  1. 1. A connector for mating with a T/R assembly interface (3), the connector comprising: a housing (1); a plurality of contact pieces (2) are arranged on the shell (1) in an array penetrating way; The shell (1) comprises an extension part (11) and a connecting part (12), wherein the connecting part (12) forms a bulge (121) towards the outer side of the extension part (11); The end faces of the extending part (11) and the bulge (121) of the shell (1) close to one side of the extending part (11) are first non-plating areas (13), and the end faces of the connecting part (12) and the side faces of the bulge (121) are first plating areas (14).
  2. 2. The connector of claim 1, wherein a first step (31) and a second step (32) are provided inside the T/R assembly interface (3) in this order, and the side surface of the first step (31) is matched with the side surface of the protrusion (121) so that a gap is formed between the end surface of the connecting portion (12) and the end surface of the T/R assembly interface (3).
  3. 3. The connector according to claim 2, wherein an end surface of the second step (32) abuts against an end surface of the protrusion (121) on a side close to the extension (11), and a side surface of the extension (11) is fitted to a side surface of the second step (32).
  4. 4. The connector of claim 2, wherein the second step (32) is flanked by a second non-plated region (33) and the T/R assembly interface (3) is inboard of a second plated region (34).
  5. 5. The connector of claim 4, wherein a counter bore (21) is formed in one end of the contact (2) adjacent to the connecting portion (12), a connecting terminal (22) is formed in the other end of the contact, and a third plating layer region (23) is formed on the outer side of the contact (2).
  6. 6. The connector according to claim 1, wherein the material of the housing (1) is aluminum nitride ceramic, the material of the contact (2) is kovar, and the housing (1) and the contact (2) are formed into an integrated structure by sintering.
  7. 7. The connector according to claim 1, wherein the T/R assembly interface (3) is made of aluminum silicon and is welded with the housing (1) at a gap.
  8. 8. The connector of claim 5, wherein the first plating region (14), the second plating region (34) and the third plating region (23) are plated by electroplating, and the material of the plating is nickel-palladium-gold alloy.
  9. 9. A method of manufacturing a connector, wherein the method is applied to the connector according to any one of claims 1 to 8, and comprises: S1, inserting the contact into the shell, and integrally sintering in an inert atmosphere to form the connector; s2, forming a plating layer in the plating layer area of the shell, the contact piece and the T/R assembly interface through electroplating; s3, matching the connector with the T/R assembly interface, and welding the connector with the T/R assembly interface at a gap through solder.
  10. 10. The method according to claim 9, wherein the integrated sintering in an inert atmosphere comprises low-temperature co-firing or high-temperature co-firing, wherein the temperature of the low-temperature co-firing is 850-950 ℃ and the temperature of the high-temperature co-firing is 1300-1600 ℃.

Description

Connector and processing method Technical Field The invention relates to the technical field of connectors, in particular to a connector and a processing method. Background Micro rectangular glass frit connectors are key connection elements in phased array antenna systems. The micro rectangular glass sintered connector used in the current T/R assembly still mainly depends on kovar alloy as a shell material, and is sintered and molded with glass powder DM-305 in a high-temperature environment to realize good air tightness and mechanical strength, but under the long-term high-low temperature cycle working condition, micro cracks or micro gaps are easily generated in an interface area due to insufficient matching property of the thermal expansion coefficient between a glass sintered layer and the kovar alloy shell, so that the air tightness performance of the connector is gradually degraded, and the original insulation and protection level is difficult to maintain. Disclosure of Invention The invention aims to solve the defects in the prior art and provides a connector and a processing method. In order to achieve the above purpose, the invention adopts the following technical scheme that the connector is matched with a T/R assembly interface, and comprises the following components: A housing; a plurality of contact pieces are arranged on the shell in an array penetrating way; The shell comprises an extension part and a connecting part, wherein the connecting part forms a bulge towards the outer side of the extension part; The end surfaces of the extending part and the bulge of the shell, which are close to one side of the extending part, are first non-plating areas, and the end surfaces of the connecting part and the side surfaces of the bulge are first plating areas. As further description of the technical scheme, a first step and a second step are sequentially arranged on the inner side of the T/R assembly interface, and the side face of the first step is matched with the side face of the protrusion, so that a gap is formed between the end face of the connecting part and the end face of the T/R assembly interface. As a further description of the technical scheme, the end face of the second step is abutted against the end face of the protrusion, close to one side of the extension portion, and the side face of the extension portion is matched with the side face of the second step. As a further description of the technical scheme, the side face of the second step is a second non-plating area, and the inner side of the T/R assembly interface is a second plating area. As further description of the technical scheme, one end of the contact element, which is close to the connecting part, is provided with a counter bore, the other end of the contact element is provided with a connecting terminal, and the outer side of the contact element is provided with a third plating layer area. As further description of the technical scheme, the shell is made of aluminum nitride ceramic, the contact piece is made of kovar alloy, and the shell and the contact piece form an integrated structure through sintering. As a further description of the technical scheme, the T/R assembly interface is made of aluminum silicon and is welded with the shell at a gap. As a further description of the technical scheme, the first coating region, the second coating region and the third coating region are formed into a coating through electroplating, and the material of the coating is nickel-palladium-gold alloy. Also included is a method of manufacturing a connector, the method being applicable to any of the above-described connector embodiments, comprising: S1, inserting the contact into the shell, and integrally sintering in an inert atmosphere to form the connector; s2, forming a plating layer in the plating layer area of the shell, the contact piece and the T/R assembly interface through electroplating; s3, matching the connector with the T/R assembly interface, and welding the connector with the T/R assembly interface at a gap through solder. As a further description of the technical scheme, the integrated sintering in the inert atmosphere comprises low-temperature co-firing or high-temperature co-firing, wherein the temperature of the low-temperature co-firing is 850-950 ℃, and the temperature of the high-temperature co-firing is 1300-1600 ℃. The technical scheme has the following advantages or beneficial effects: The first plating layer area is locally selected for plating nickel, palladium and gold, so that the contact welding area of the connector and the T/R assembly interface is covered, the conductivity, the weldability, the wear resistance and the corrosion resistance of the contact area of the connector and the T/R assembly interface are improved, the medium pressure resistance is improved, and the manufacturing cost is effectively controlled. The shell is integrally connected with the contact, so that heat generated during the working