Flex circuit head module within a tape drive

G - Physics – 11 – B

Patent

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Details

G11B 33/12 (2006.01) G11B 5/48 (2006.01) G11B 5/55 (2006.01) G11B 5/56 (2006.01) G11B 15/12 (2006.01) H05K 1/02 (2006.01) H05K 1/18 (2006.01) G11B 5/10 (2006.01) H05K 1/00 (2006.01) H05K 1/05 (2006.01) H05K 3/00 (2006.01)

Patent

CA 2194825

A flex circuit for a tape drive includes an elongated flexible printed circuit substrate carrying a pattern of electrical circuit interconnections and divided into a read channel portion for direct connection to multiple read and write heads of a tape head array and carrying a plurality of read channel preamplifiers connected to receive and amplify read signals from a plurality of read heads; a write channel portion including an external connection region for enabling signal and power connections to be made with a host circuit module, the write channel portion including a plurality of write channel drivers; and, a dynamic flexing portion separating and interconnecting the read channel portion and the write channel portion, the dynamic flexing portion adjusting in contour as positional adjustments are made to the head array by a head positioning mechanism. As a related aspect, the flex circuit is secured to a head mounting plate which secures the tape head array, thereby forming a stand-alone multi-track tape head module.

Circuit imprimé souple pour dérouleur de bande, comprenant : un substrat de circuit imprimé souple allongé caractérisé par une configuration de connexions de circuits électriques et divisé en une partie canal de lecture destinée à être raccordée directement aux têtes multiples de lecture et d'écriture d'un groupe de têtes et portant plusieurs préamplificateurs de canal de lecture reliés de façon à recevoir et à amplifier des signaux de lecture provenant de plusieurs têtes de lecture; une partie canal d'écriture comprenant une région de raccord externe visant à permettre des raccords de signaux et d'alimentation au moyen d'un module de circuit hôte, la partie canal d'écriture comprenant plusieurs circuits d'attaque de canal d'écriture; et une partie flexion dynamique séparant et interconnectant la partie canal de lecture et la partie canal d'écriture, la partie flexion dynamique s'ajustant au niveau du contour au fur et à mesure que des ajustements de position sont apportés au groupe de têtes grâce à un mécanisme de positionnement de tête. Un aspect connexe : le circuit imprimé souple est fixé à une plaque de montage de tête qui maintient le groupe de têtes en place, formant ainsi un module têtes multipistes autonome.

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