Electronic component seal glass
A technology for sealing glass and electronic components, which is applied in the field of special performance glass, can solve problems such as harmfulness and non-compliance with environmental protection requirements, and achieve effects that are beneficial to environmental protection and human health
Inactive Publication Date: 2003-04-30
BEIJING YAKANG SPECIAL GLASS
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Problems solved by technology
We know that the heavy metal lead is harmful to the human body and does not meet the requirements of environmental protection
Method used
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example 1-4
[0012] Examples 1-4 composition formula and operating conditions are shown in Table 1 and Table 2 respectively, and product performance is shown in Table 3.
[0013] ingredients
[0014] project
[0015] Coefficient of expansion
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Abstract
Description
technical field [0001] The invention relates to a special performance glass, in particular to a lead-free sealing glass for electronic components. Background technique [0002] Existing sealing glass for electronic components contains a large amount of metallic lead, for example, the lead content of the existing electronic sealing glass brand DB-435 is 34%, and the lead content of DH-704 is 77%. We know that the heavy metal lead is harmful to the human body and does not meet the requirements of environmental protection. Contents of the invention [0003] The purpose of the present invention is to overcome the disadvantages of the prior art and provide a lead-free sealing glass for electronic components. [0004] The composition of the sealing glass of the present invention and its weight percentage content: SiO 2 45-62%, Bi 2 o 3 0.5-8%, BaO3-15%, ZnO2-8%, Sb 2 o 3 0.5-4%, Al 2 o 3 0-3%, Na 2 O6-15%, K 2 O2-6%Bi 2 o 3 0-5%, Li 2 o 3 0-5%, CaO2-8%. [0005] T...
Claims
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IPC IPC(8): C03C3/093C03C8/24
CPCC03C8/24
Inventor 赵宝福张符荣
Owner BEIJING YAKANG SPECIAL GLASS
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