A gallium ionization device

Abstract

The utility model provides a kind of gallium ion ionization device, comprising: first base, shield cover, second base, gallium ion source assembly and elastic contact component constitute;Shield cover lower end installs the ceramic material second base with first through-hole, the second base lower side is equipped with the container with second through-hole, the container is fixed with the lamp holder with two conductive posts by fixed cover, the gallium ion filament on the lamp holder is connected with conductive post two ends, and Y-shaped elastic support with lower end as four-sided pyramid and with the first spring of metal gallium sleeve is equipped in middle, support lower end passes out second through-hole, to realize the stable generation and emission of gallium ion in this way.The utility model improves overall stability by multilayer stable connection structure and the material collocation of stainless steel and ceramic, shield cover reduces external interference;The cooperation of Y-shaped support and first spring ensures the stable supply of metal gallium, four-sided pyramid tip enhances energy focusing and ionization stability;Multiple components realize the stable generation and emission of gallium ion in cooperation, improve device working performance and reliability.

Claims

1. A gallium ion ionization device, characterized in that, include: First base; A shielding cover is installed at the lower end of the first base; The second base is installed at the lower end of the shielding cover, and the second base is provided with a first through hole that runs vertically through the shielding cover. A gallium ion source assembly is installed in the first through hole of the second base. The gallium ion source assembly includes a gallium ion filament for generating gallium ions, and the shielding cover is disposed above the gallium ion source assembly. A flexible contact assembly passes through the first base and the shield, and makes electrical contact with the gallium ion source assembly.

2. The gallium ion ionization device according to claim 1, characterized in that, The first base and shielding cover are made of stainless steel; The second base is made of ceramic.

3. The gallium ion ionization device according to claim 1, characterized in that, The gallium ion source component also includes: Lamp holder; The lamp holder has two conductive posts; The two ends of the gallium ion filament are electrically connected to the lower ends of two conductive posts, respectively.

4. A gallium ion ionization device according to claim 3, characterized in that, Below the first through hole, a container is also provided, which is installed on the lower side of the second base; The lamp holder is mounted on the container, and a second through hole running vertically through the center of the container is provided.

5. A gallium ionization device according to claim 4, wherein, A fixing cover is also provided on the top of the container to fix the lamp holder in the container, and the upper end of the conductive post on the lamp holder protrudes through the fixing cover.

6. A gallium ion ionization device according to claim 4, characterized in that, A support is also provided in the middle of the filament; The lower end of the bracket protrudes from the second through hole.

7. A gallium ion ionization device according to claim 6, characterized in that, The lower end of the support is a four-sided cone, which allows for the most stable ionization process and makes the energy more focused.

8. A gallium ion ionization device according to claim 6, characterized in that, The support structure is Y-shaped. The bracket is also fitted with a first spring, and the opening width of the bracket is interference-fitted with the inner diameter of the first spring. The Y-shaped structure of the bracket is designed as an elastic structure, which is tightly held in place by the first spring to prevent the first spring from falling off. The first spring is used to load the gallium metal to prevent it from falling out; The first spring is filled with gallium metal inside and the outer surface of the first spring is covered with gallium metal.

9. A gallium ion ionization device according to claim 1, characterized in that, The resilient contact assembly includes: The ejector pin passes through the first base and the shielding cover. Its upper end is connected to the power supply, and its lower end is provided with a contact point that elastically abuts against the spring sheet. The spring is connected at one end to the contact and at the other end to the upper end of the conductive post.

10. A gallium ion ionization device according to claim 1, characterized in that, A first screw hole is provided at the center of the first base; The shielding cover has a first mounting hole at its center; A hexagonal head bolt passes through the first mounting hole, and the bolt of the hexagonal head bolt is threaded into the first threaded hole of the first base. A washer is also provided between the head of the internal hexagonal head bolt and the shielding cover; The hexagonal socket head bolt is further provided with a second spring, which is located between the first base and the shielding cover.

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