CPC Subgroup Additional Only
B81C 2203/01 Packaging MEMS
Full Title
Forming microstructural systems > Packaging MEMS
8 direct subcodes
Child Classifications
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- B81C 2203/0109 Bonding an individual cap on the substrate
- B81C 2203/0118 Bonding a wafer on the substrate, i.e. where the cap consists of another wafer
- B81C 2203/0127 Using a carrier for applying a plurality of packaging lids to the system wafer
- B81C 2203/0136 Growing or depositing of a covering layer
- B81C 2203/0145 Hermetically sealing an opening in the lid
- B81C 2203/0154 Moulding a cap over the MEMS device
- B81C 2203/0163 Reinforcing a cap, e.g. with ribs
- B81C 2203/0172 Seals
Top Applicants
Top 10 applicants by patent filingsfor class B81, 2013–2023, worldwide · Source: EPO PATSTAT
- ROBERT BOSCH DE 1,976
- TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY TW 788
- INFINEON TECHNOLOGIES DE 759
- CEA (COMMISSARIAT A L'ENERGIE ATOMIQUE) FR 555
- STMICROELECTRONICS IT 526
- INVENSENSE US 430
- MURATA MANUFACTURING COMPANY JP 418
- SEIKO EPSON CORPORATION 338
- CHINESE ACADEMY OF SCIENCES 338
- FRAUNHOFER DE 297