Patent ID: 11926565
Assignee: SCHOTT AG
Field: Materials, metallurgy (Chemistry)
Classification: CPC C  H | IPC C  H

Claim 9:
10. A glass powder comprising the following constituents in % by mole:, SiO2
15.0 to 
30.0

Al2O3
0.0 to 
3.0

B2O3
14.0 to 
25.0

ZnO
40.0 to 
65.0

MgO
0.0 to 
8.0

wherein the glass powder has a particle size distribution that is characterized by a spread (d90−d10)/d50 of at least 1.80 and at most 6.00,
wherein the glass powder has a mean particle size d50 of 1.0 μm to 10.0 μm, and
wherein the volume portion of particles with sizes below 1.0 μm is limited to at most 30% by volume of the glass.