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оригіналу.pdf

exhibi757E.pdf

🔗 Source: shmj.or.jp

📊 Size: 218 KB

📄 Pages: 2 pages

⬇️ Downloads: 121

Summary

In the early 1970s, Seiko developed CMOS LSI circuits for watches, starting with the SEIKO Quartz Astron 35SQ in 1969. Suwa Seiko-sha (now Seiko Epson) developed a CMOS IC (R-38A) operating at 1.5V in 1971, used in the SEIKO Analog Quartz 38SQW. They then developed the world's first liquid crystal display watch CMOS LSI (R-57) in 1972, released as the SEIKO Digital Quartz 06LC in 1973. These advancements drove the Japanese semiconductor industry forward, with in-house manufactured CMOS ICs adopted for all Seiko Epson quartz watch products.

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Description

In the early 1970s, Seiko developed CMOS LSI circuits for watches, starting with the SEIKO Quartz Astron 35SQ in 1969.

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File Format: PDF
File Size: 218 KB
Pages: 2
Language: EN
Total Downloads: 121
Last Updated: 1 month ago

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This PDF document about оригіналу provides comprehensive information and guidance. Whether you're a beginner or advanced user, this resource offers valuable insights into оригіналу.