臺灣博碩士論文加值系統

本論文主要研究PbO-B2O3-SiO2玻璃對銀厚膜漿料在鈉鈣矽玻璃基板上的影響。其中討論漿料流變性、厚膜導電性與微觀結構。同時探討Bi2O3添加劑對銀厚膜漿料之影響。
本研究指出70PbO-20B2O3-10SiO2玻璃對銀厚膜漿料在鈉鈣矽玻璃基板上燒結有較適當的熱性質。同時G078A漿料組成有較好的流變性。
當熱處理溫度與時間增加時，銀顆粒與表面的PBS玻璃軟化區域隨之增大，玻璃中間層亦隨之增厚。銀厚膜中的Pb元素與Bi元素隨熱處理溫度與時間增加，而有向鈉鈣矽玻璃基板擴散的情形。
在Bi2O3的分散處理中，以方式Q最佳。
導電性隨PBS玻璃添加量與Bi2O3 的增加而上升。但在固定銀成分之銀厚膜漿料中，熱處理溫度與時間對導電性之影響並不明顯。

Abstract
Table index
Figure index
1. Introduction ……………………………………………………………1
2. Literature review……………………………………………………….5
(1) Component of silver paste thick film …………………………………5
1) Conductor materials ………………………………………………..5
2) Joint materials ……………………………………………………...5
3) Organic vehicles ……………………………………………………6
(2) Sintering behavior of silver thick film ………………………………..8
1) Rearrangement ..…………………………………………………..8
2) Dissolve to precipitate ………..…………………………………...9
3) Coalescence ……..……………………………………………….10
4) Pore removes and grain growth ……..…………………………...10
3. Experiment …………………………………………………………...12
(1) Glass powder ………………………………………………………..12
1) Manufacture ……………………………………………………..12
2) Analysis …………………………………………………………12
a. XRD ……………………………………………………………..13
b. DSC ……………………………………………………………..13
c. TMA …………………………………………………………….13
(2) Silver thick film slurry ……………………………………………...14
1) Organic vehicle …………………………………………………..14
2) Glass powder refine ……………………………………………...14
3) Add Bi2O3 ………………………………………………………..15
a. Mixing (way M) …………………………………………………15
b. Melt-quench (way Q) ……………………………………………15
4) Slurry mixing …………………………………………………….15
5) Substrate …………………………………………………………16
(3) Screen printing ……………………………………………………...17
(4) Heat treatment of screen printed thick film ………………………...17
(5) Thick film analysis ………………………………………………….18
1) Microstructure observation ………………………………………18
2) Film thickness measurement ……………………………………..18
3) Resistivity ………………………………………………………..19
4. Results and Discussions ……………………………………………...20
(1) Glass powder analysis ………………………………………………20
1) XRD ……………………………………………………………...20
2) DSC ………………………………………………………………20
3) TMA ……………………………………………………………..21
(2) Flow character of slurry …………………………………………….23
(3) Silver thick film with fixed glass additives (G078A) ………………24
1) Microstructure ……………………………………………………24
a. Sintering surface ………………………………………………...24
b. Cross section …………………………………………………….25
2) Resistivity ………………………………………………………..28
(4) Silver thick film with various glass additive quantity ……………...28
1) Microstructure ……………………………………………………28
a. Sintering surface ………………………………………………….28
b. Cross section ……………………………………………………..30
2) Resistivity ………………………………………………………..30
(5) Silver thick film with Bi2O3 containing …………………………….32
1) Microstructure …………………………………………………..32
a. Sintering surface …………………………………………………32
b. Cross section …………………………………………………….35
2) Resistivity ………………………………………………………35
5. Conclusion …………………………………………………………..37
6. Literature …………………………………………………………….40

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