Electronic component, method for producing same, and sealing material paste used in same
View Patent ↗An electronic component has an organic member between two transparent substrates, in which outer peripheral portions of the two transparent substrates are bonded by a sealing material containing to melting glass. The low melting glass contains vanadium oxide, tellurium oxide, iron oxide and phosphoric acid, and satisfies the following relations (1) and (2) in terms of oxides. The sealing material is formed of a sealing material paste which contains the low melting glass, a resin binder and a solvent, the low melting glass containing vanadium oxide, tellurium oxide, iron oxide and phosphoric acid, and satisfies the following relations (1) and (2) in terms of the oxides. Thereby, thermal damages to an organic element or an organic material contained in the electronic component can be reduced and an electronic component having a glass bonding layer of high reliability can be produced efficiently. V 2 O 5 +TeO 2 +Fe 2 O+P 2 O 5 ≧90(mass %) (1) V 2 O 5 >TeO 2 >Fe 2 O 3 >P 2 O 5 (mass %) (2)
1. A sealing material paste comprising:
a low melting glass;
a resin binder; and
a solvent,
wherein the low melting glass contains vanadium oxide, tellurium oxide, iron oxide and phosphorous oxide, and satisfies the following relations (1) and (2) in terms of oxides:
V 2 O 5 +TeO 2 +Fe 2 O 3 +P 2 O 5 ≧90 (mass %) (1)
V 2 O 5 >TeO 2 >Fe 2 O 3 >P 2 O 5 (mass %) (2).
2. The sealing material paste according to claim 1 ,
wherein the low melting glass further contains one or more of tungsten oxide, molybdenum oxide, manganese oxide, zinc oxide, barium oxide, strontium oxide and calcium oxide, and satisfies the following relation (3) in terms of oxides
WO 3 +MoO 3 +MnO 2 +ZnO+BaO+SrO+CaO≦10 mass % (3).
3. The sealing material paste according to claim 1 ,
wherein the low melting glass comprises 35 to 50 mass % of V 2 O 5 , 20 to 35 mass % of TeO 2 , 10 to 20 mass % of Fe 2 O 3 , and 4 to 15 mass % of P 2 O 5 in terms of oxides.
4. The sealing material paste according to claim 1 ,
containing filler particles,
wherein the filler particles are one or more of zirconium phosphotungstate (Zr 2 (WO 4 )(PO 4 ) 2 ), niobium oxide (Nb 2 O 5 ) and β-eucryptite (LiAlSiO 4 ).
5. The sealing material paste according to claim 4 ,
wherein the filler particles are zirconium phosphotungstate (Zr 2 (WO 4 )(PO 4 ) 2 ), and further contain iron tungstate (FeWO 4 ) and zirconium phosphate (ZrO(PO 4 ) 2 ).
6. The sealing material paste according to claim 4 ,
wherein a content of the filler particles is greater than zero and less than or equal to 35 parts by volume based on 100 parts by volume of a powder of the low melting glass.