Light-emitting low-temperature co-fired ceramic powder, preparation method thereof and light-emitting low-temperature co-fired ceramic

A technology of low-temperature co-fired ceramics and light activation, which is applied in the field of low-temperature co-fired ceramic powder and its preparation method and luminous low-temperature co-fired ceramics, which can solve the problems of no public reports and achieve energy saving, low synthesis temperature, and low sintering temperature Effect

Inactive Publication Date: 2010-10-13
TSINGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] But so far, there is no public report on the preparation of LTCC luminescent ceramics by Sol-Gel method

Method used

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  • Light-emitting low-temperature co-fired ceramic powder, preparation method thereof and light-emitting low-temperature co-fired ceramic
  • Light-emitting low-temperature co-fired ceramic powder, preparation method thereof and light-emitting low-temperature co-fired ceramic
  • Light-emitting low-temperature co-fired ceramic powder, preparation method thereof and light-emitting low-temperature co-fired ceramic

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] 1) Steps to prepare the gel

[0036] First, the raw material CaCO 3 、Eu 2 o 3 、 Bi 2 o 3 , Li 2 CO 3 and H 3 BO 3 Put in a large beaker and add HNO 3 Allow to dissolve until clear and add H in hot water 3 BO 3 Prepare the inorganic solution,

[0037] Thereafter, pour ethanol into the Si(OC 2 h 3 ) 4 Prepare an organic solution in , and add CH equivalent to 10% of the volume of the organic solution 3 COOH is used as a stabilizer, where Si(OC 2 h 3 ) 4 The volume ratio with ethanol is 1:1,

[0038]Then, slowly pour the inorganic solution into the organic solution, use nitric acid as a catalyst and adjust the pH value of the solution to about 2 with nitric acid, stir in a water bath at 75°C for 90 minutes to prepare a gel,

[0039] wherein, the gel contains 15mol% CaCO 3 ; 60mol% Si(OC 2 h 3 ) 4 ; 25 mol% B 2 o 3 ;9 mol% Eu 2 o 3 ; 2 mol% Bi 2 o 3 and 11 mol% Li 2 CO 3 .

[0040] 2) The step of preparing glass powder, drying the gel in an ov...

Embodiment 2

[0046] 1) Steps to prepare the gel

[0047] First, the raw material CaCO 3 、Eu 2 o 3 、 Bi 2 o 3 , Li 2 CO 3 and H 3 BO 3 Put in a large beaker and add HNO 3 Allow to dissolve until clear and add H in hot water 3 BO 3 Prepare the inorganic solution,

[0048] Thereafter, pour ethanol into the Si(OC 2 h 3 ) 4 Prepare an organic solution in , and add CH equivalent to 10% of the volume of the organic solution 3 COOH is used as a stabilizer, where Si(OC 2 h 3 ) 4 The volume ratio is 1:1,

[0049] Then, slowly pour the inorganic solution into the organic solution, use nitric acid as a catalyst and adjust the pH value of the solution to about 2 with nitric acid, stir in a water bath at 75°C for 90 minutes to prepare a gel,

[0050] wherein, the gel contains 15mol% CaCO 3 ; 60mol% Si(OC 2 h 3 ) 4 ; 20 mol% B 2 o 3 ;7 mol% Eu 2 o 3 ; 1.5 mol% Bi 2 o 3 ; and 8.5 mol% Li 2 CO 3 .

[0051] 2) The step of preparing glass powder, drying the gel in an oven at 9...

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Abstract

The invention provides a light-emitting low-temperature co-fired ceramic powder, a preparation method thereof and a light-emitting low-temperature co-fired ceramic prepared from the light-emitting low-temperature co-fired ceramic powder. The light-emitting low-temperature co-fired ceramic powder is prepared from 15-20mol% of CaCO3, 60-70mol% of Si(OC2H5)4, 10-25mol% of B2O3, 3-11mol% of photoactivating agent, 0.9-3.2mol% of sensitizing agent and charge compensation agent gel equivalent to the total content of the photoactivating agent and the sensitizing agent by calcination. The low-temperature co-fired ceramic powder has the advantages of low sintering temperature, small dielectric loss, high mechanical strength and high light intensity, and can be used in the fields of ceramic base plates, electronic devices such as resonators and the like, other micro electronic potting materials and white light LED potting materials.

Description

technical field [0001] The invention relates to a low-temperature co-fired ceramic powder and a preparation method thereof, and a luminescent low-temperature co-fired ceramic, in particular to a luminescent low-temperature co-fired ceramic powder and a preparation method thereof. Background technique [0002] In recent years, driven by the rapid development of semiconductor technology, electronic components continue to develop in the direction of miniaturization, integration and high frequency. It is an inevitable requirement of the above trend to select appropriate ceramics that can be co-fired with conductive materials such as silver at a temperature not exceeding 900°C to make multilayer components or embed passive devices in multilayer circuit substrates. Low-temperature co-fired ceramics as the main dielectric material of source integration components has therefore become an important development trend. [0003] At present, the low temperature co-fired ceramic LTCC (Lo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/00C04B35/626C03C10/00
Inventor 周济丁友谊刘世香王睿
Owner TSINGHUA UNIV
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