Firing tool and firing method for THz glass insulator

A technology of glass insulators and tooling, which is applied in glass forming, glass manufacturing equipment, insulators, etc., can solve the problems of low product qualification rate and failure to adapt THz glass insulators to extremely small products, and achieve high product qualification rate and reduce creep. High, improve the effect of flatness

Pending Publication Date: 2021-04-27
中国电子科技集团公司第四十研究所
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, glass insulators are made by using a general-purpose method of heat preservation at the working temperature of glass powder, and the sintered positioning tool is not suitable for extremely small products such as THz glass insulators, and the qualified rate of the sintered products is low.

Method used

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  • Firing tool and firing method for THz glass insulator
  • Firing tool and firing method for THz glass insulator
  • Firing tool and firing method for THz glass insulator

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] see figure 1 , figure 2 , a firing tooling for THz glass insulators, comprising an upper positioning tooling 1 and a lower positioning tooling 2 arranged at intervals up and down, the lower side of the upper positioning tooling 1 is provided with a first hole 11, a second hole 12, and a third hole arranged up and down. Holes 13, the diameter of the first hole 11 is 0.127mm, the diameter of the second hole 12 is 0.7mm, the diameter of the third hole 13 is 1.1mm, the upper side of the lower positioning tool 2 is provided with the fourth hole 21 and the fifth hole arranged up and down 22. The sixth hole 23, the fourth hole 21 has the same diameter as the third hole 13, the fifth hole 22 has the same diameter as the second hole 12, the sixth hole 23 has the same diameter as the first hole 11, the first hole 11, the second hole The hole 12 , the third hole 13 , the fourth hole 21 , the fifth hole 22 , and the sixth hole 23 are coaxial and the axial directions are all verti...

Embodiment 2

[0024] see Figure 1 ~ Figure 3 , a firing method of a firing frock of a THz glass insulator, comprising the following steps:

[0025] (1) Set the glass blank 5 between the inner conductor 3 and the outer conductor 4, put it into the lower positioning tool 2, then cover the upper positioning tool 1, so that the lower part of the inner conductor 3 is located in the sixth hole 23, and the outer conductor 4 The lower part is located in the fourth hole 21, the upper part of the inner conductor 3 is located in the first hole 11, and the upper part of the outer conductor 4 is located in the third hole 13;

[0026] (2) Start firing, first heat up from room temperature for 40 minutes to T1, keep warm for 5 minutes, and T1 is 410°C;

[0027] (3) Reheat for 20 minutes from T1 to T2, keep warm for 9 minutes, and T2 is 620°C;

[0028] (4) Reheat for 20 minutes from T2 to T3, keep warm for 5 minutes, and T3 is 970°C;

[0029] (5) Naturally cool down to T4, keep warm for 5 minutes, and T...

Embodiment 3

[0032] see Figure 1 ~ Figure 3 , a firing method of a firing frock of a THz glass insulator, comprising the following steps:

[0033] (1) Set the glass blank 5 between the inner conductor 3 and the outer conductor 4, put it into the lower positioning tool 2, then cover the upper positioning tool 1, so that the lower part of the inner conductor 3 is located in the sixth hole 23, and the outer conductor 4 The lower part is located in the fourth hole 21, the upper part of the inner conductor 3 is located in the first hole 11, and the upper part of the outer conductor 4 is located in the third hole 13;

[0034] (2) Start firing, first heat up from room temperature for 40 minutes to T1, keep warm for 5.5 minutes, and T1 is 420°C;

[0035] (3) Reheat for 20 minutes from T1 to T2, keep warm for 9.5 minutes, and T2 is 630°C;

[0036] (4) Reheat for 20 minutes from T2 to T3, keep warm for 5 minutes, and T3 is 970°C;

[0037] (5) Cool down to T4 naturally, keep warm for 5.5min, and ...

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Abstract

The invention provides a firing tool for a THz glass insulator. The firing tool comprises an upper positioning tool and a lower positioning tool, wherein a first hole, a second hole and a third hole are formed in the lower side of the upper positioning tool, the diameter of the first hole is 0.127 mm, the diameter of the second hole is 0.7 mm, and the diameter of the third hole is 1.1 mm; and a fourth hole, a fifth hole and a sixth hole are formed in the upper side of the lower positioning tool, the diameter of the fourth hole is equal to the diameter of the third hole, the diameter of the fifth hole is equal to the diameter of the second hole, the diameter of the sixth hole is equal to the diameter of the first hole, and all the holes are coaxial and vertical in an axial direction. A firing method for the THz glass insulator comprises the following steps: conducting heating at room temperature for 40 minutes until T1 is reached, preserving heat for 5 to 6 minutes, carrying out reheating for 20 minutes until T2 is reached, preserving heat for 9 to 10 minutes, carrying out reheating for 20 minutes until T3 is reached, preserving heat for 5 minutes, conducting cooling to T4, preserving heat for 5 to 6 minutes, conducting cooling to T5, preserving heat for 9 to 10 minutes, conducting cooling to room temperature, and taking out a final product. The tool is simple in structure, and the percent of pass of sintered products is high.

Description

technical field [0001] The invention relates to a firing tooling and a firing method of a THz glass insulator. Background technique [0002] RF glass insulators are common components in hermetically sealed electronic devices, carrying electrical signals inside and outside the device. With the popularization of 5G and other technologies, the required bandwidth is larger, and the frequency of electrical signals is also increased. At present, there are THz signal transmission need. Because of the characteristics of electrical signals, as the cut-off frequency increases, the volume of the corresponding insulators and connectors becomes smaller. [0003] At present, glass insulators are made by a general-purpose insulation at the working temperature of glass powder, and the sintered positioning tool is not suitable for extremely small products such as THz glass insulators, and the qualified rate of sintered products is low. Contents of the invention [0004] The first technic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03B19/06H01B19/00
CPCC03B19/06H01B19/00
Inventor 王辰赵建波王强张斌
Owner 中国电子科技集团公司第四十研究所
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