US Patent Issued to Marvell Asia on Oct. 6 for "Preamplifier for a writer of a hard disk drive with fast rise time" (Singaporean Inventors)

ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,755,760, issued on Oct. 6, was assigned to Marvell Asia Pte Ltd (Singapore).

"Preamplifier for a writer of a hard disk drive with fast rise time" was invented by Kai Wu (Singapore), Kok Hin Teng (Singapore), Simon Sheung Yan Ng (Singapore), Akash Salow Thomas (Singapore), Aravind Suresh (Singapore) and Ziyu Yang (Singapore).

According to the abstract* released by the U.S. Patent & Trademark Office: "High density storage solutions demand a preamplifier for a writer with a fast rise time. The quality and speed of the writer depend on the rise time of a write current waveform. To improve the rise time, an improved base driver is implemented at the base terminal of an output transistor of...