公开(公告)号：FR2395580A1

公开(公告)日：1979-01-19

申请号：FR7816945

申请日：1978-05-29

Applicant: IBM

Inventor： HEMPSTEAD ROBERT D ,  KRONGELB SOL ,  NEPELA DANIEL A ,  THOMPSON DAVID A ,  VALSTYN ERICH P

IPC: G11B5/31 ,  G11B5/39 ,  H01F10/00 ,  H01F10/08 ,  H01F10/12 ,  H01F10/18 ,  H01F10/32 ,  H01F41/14 ,  H01L43/08

公开(公告)号：FR2342547A1

公开(公告)日：1977-09-23

申请号：FR7700649

申请日：1977-01-05

Applicant: IBM

Inventor： AINSLIE NORMAN G ,  HEMPSTEAD ROBERT D ,  TAN SWIE-IN ,  VALSTYN ERICH P

IPC: C22C38/00 ,  C23C14/40 ,  G11B5/147 ,  G11B5/31 ,  H01F10/14 ,  H01F41/14 ,  H01F41/18 ,  H01F10/02 ,  G11B5/62

Abstract: Iron-silicon is sputtered onto a substrate to be used for a magnetic recording head from a target containing 4% to 7% of silicon with a substrate bias between -2.5 and -60 volts, anode-cathode spacing of about 1/2 to about 2 inches, a deposition rate of greater than 150A/min, a substrate temperature above 250 DEG C, an argon pressure above 10 microns, and a single film thickness greater than 0.4 micron, a laminated film thickness greater than 0.05 micron, and R.F. input power above 8 watts/in2.

公开(公告)号：CA815190A

公开(公告)日：1969-06-10

申请号：CA815190D

Applicant: IBM

Inventor： VALSTYN ERICH P ,  WALLIS CHRISTOPHER N