Surface-treated glass cloth, prepreg, and printed wiring board

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 11958952
SERIAL NO

17424673

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

Provided are a surface-treated glass cloth capable of enhancing insulation reliability when used to prepare a prepreg, a prepreg and a printed wiring board using the surface-treated glass cloth. The surface-treated glass cloth includes a surface treatment layer on a surface, a glass constituting the glass cloth has a composition containing 52.0 to 60.0 mass % of SiO2, 15.0 to 26.0 mass % of B2O3, 9.0 to 18.0 mass % of Al2O3, 1.0 to 8.0 mass % of MgO, 1.0 to 10.0 mass % of CaO, 0 to 6.0 mass % of SrO, 0 to 6.0 mass % of TiO2, and 0.1 to 3.0 mass % in total of F2 and Cl2, based on the total amount of the glass, the glass cloth has a surface coverage of 75.0 to 100.0% and a thickness of 8 to 95 μm, and the surface treatment layer contains a silane coupling agent having a methacrylic group and contains no surfactant.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
NITTO BOSEKI CO LTD1 AZA HIGASHI GONOME FUKUSHIMA-SHI FUKUSHIMA 960-8161

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Adachi, Kazutaka Fukushima, JP 68 1022
Iwasawa, Shohei Fukushima, JP 1 0
Miyagi, Hiromitsu Fukushima, JP 3 4
Ouchi, Atsushi Fukushima, JP 8 112

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
3.5 Year Payment $1600.00 $800.00 $400.00 Oct 16, 2027
7.5 Year Payment $3600.00 $1800.00 $900.00 Oct 16, 2031
11.5 Year Payment $7400.00 $3700.00 $1850.00 Oct 16, 2035
Fee Large entity fee small entity fee micro entity fee
Surcharge - 3.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00