公开(公告)号：JP2002097020A

公开(公告)日：2002-04-02

申请号：JP2001277009

申请日：2001-09-12

Applicant: EMTEC MAGNETICS GMBH ,  HOYA CORP

Inventor： JACHOW HARALD ,  SCHWAB EKKEHARD ,  KOERNER REINHARD ,  MUELLER NORBERT ,  LEHNERT RUDI ,  OHLINGER MANFRED ,  AUWETER HELMUT ,  JAKUSCH HELMUT DR ,  VEITCH RONALD J ,  BOBRICH MICHAEL ,  YOSHIKUNI KEISUKE ,  KAMISAKI ATSUSHI ,  TOMA YOJI ,  TSUKADA SHOGO

IPC: C01G37/027 ,  C09D5/23 ,  G11B5/706 ,  G11B5/73

Abstract: PROBLEM TO BE SOLVED: To provide a method of producing acicular chromium dioxide having high coercive force, short particle length and narrow particular size distribution. SOLUTION: The method of producing chromium dioxide modified by iron and tellurium or antimony and having coercive force of >60 kA/m, saturation magnetization of >85 nTm3/g and average particle length of

公开(公告)号：DE4412611C2

公开(公告)日：2003-02-27

申请号：DE4412611

申请日：1994-04-13

Applicant: EMTEC MAGNETICS GMBH

Inventor： LEHNERT RUDI ,  KAISER ERNST ,  OHLINGER MANFRED ,  VOGEL LUDWIG

IPC: C01G37/027 ,  G11B5/706

公开(公告)号：BR9607762A

公开(公告)日：1999-11-30

申请号：BR9607762

申请日：1996-03-18

Applicant: EMTEC MAGNETICS GMBH

Inventor： LEHNER AUGUST ,  JAKUSCH HELMUT ,  KOCH VOLKER ,  OHLINGER MANFRED ,  KOHL ALBERT ,  LENZ WERNER ,  SCHNEIDER NORBERT ,  HEILMANN PETER ,  VEITCH RONALD JOHN ,  HOFFMANN ERICH ,  BNER WERNER H ,  JACHOW HARALD ,  LEHNERT RUDI

IPC: B32B27/20 ,  B32B33/00 ,  C01G37/02 ,  G11B5/708 ,  G11B5/73 ,  G11B5/733 ,  G11B5/738 ,  G11B5/78 ,  G11B5/704

Abstract: Tape-like magnetic recording media having a nonmagnetic substrate and at least one layer applied to the substrate having incorporated into at least one of these layers, an inorganic needle-shaped pigment which serves as a supporting pigment and has a ratio of the average length to the average diameter of the pigment of at least 3, and the mean modulus of elasticity of the layers is not less than 15 Gpa in the longitudinal direction of the tape-like recording media.

公开(公告)号：AU5110196A

公开(公告)日：1996-10-16

申请号：AU5110196

申请日：1996-03-18

Applicant: EMTEC MAGNETICS GMBH

Inventor： LEHNER AUGUST ,  KOCH VOLKER ,  OHLINGER MANFRED ,  LENZ WERNER ,  SCHNEIDER NORBERT ,  HEILMANN PETER ,  HOFFMANN ERICH ,  VEITCH RONALD JOHN ,  HUBNER WERNER ,  JACHOW HARALD ,  LEHNERT RUDI

IPC: B32B27/20 ,  B32B33/00 ,  C01G37/02 ,  G11B5/708 ,  G11B5/73 ,  G11B5/733 ,  G11B5/738 ,  G11B5/78 ,  G11B5/704

Abstract: Tape-like magnetic recording media having a nonmagnetic substrate and at least one layer applied to the substrate having incorporated into at least one of these layers, an inorganic needle-shaped pigment which serves as a supporting pigment and has a ratio of the average length to the average diameter of the pigment of at least 3, and the mean modulus of elasticity of the layers is not less than 15 Gpa in the longitudinal direction of the tape-like recording media.

公开(公告)号：DE59604372D1

公开(公告)日：2000-03-09

申请号：DE59604372

申请日：1996-03-18

Applicant: EMTEC MAGNETICS GMBH

Inventor： LEHNER AUGUST ,  JAKUSCH HELMUT ,  KOCH VOLKER ,  OHLINGER MANFRED ,  KOHL ALBERT ,  LENZ WERNER ,  SCHNEIDER NORBERT ,  HEILMANN PETER ,  VEITCH JOHN ,  HOFFMANN ERICH ,  HUEBNER WERNER ,  JACHOW HARALD ,  LEHNERT RUDI

IPC: B32B27/20 ,  B32B33/00 ,  C01G37/02 ,  G11B5/708 ,  G11B5/73 ,  G11B5/733 ,  G11B5/738 ,  G11B5/78

Abstract: Tape-like magnetic recording media having a nonmagnetic substrate and at least one layer applied to the substrate having incorporated into at least one of these layers, an inorganic needle-shaped pigment which serves as a supporting pigment and has a ratio of the average length to the average diameter of the pigment of at least 3, and the mean modulus of elasticity of the layers is not less than 15 Gpa in the longitudinal direction of the tape-like recording media.

公开(公告)号：EA000248B1

公开(公告)日：1999-02-25

申请号：EA199700217

申请日：1996-03-18

Applicant: EMTEC MAGNETICS GMBH

Inventor： LEHNER AUGUST ,  JAKUSCH HELMUT ,  KOCH VOLKER ,  OHLINGER MANFRED ,  KOHL ALBERT ,  LENZ WERNER ,  SCHNEIDER NORBERT ,  HEILMANN PETER ,  VEITCH RONALD JOHN ,  HOFFMANN ERICH ,  HUEBNER WERNER ,  JACHOW HARALD ,  LEHNERT RUDI

IPC: B32B27/20 ,  B32B33/00 ,  C01G37/02 ,  G11B5/708 ,  G11B5/73 ,  G11B5/733 ,  G11B5/738 ,  G11B5/78 ,  G11B5/704

公开(公告)号：CA2215259A1

公开(公告)日：1996-10-03

申请号：CA2215259

申请日：1996-03-18

Applicant: EMTEC MAGNETICS GMBH

Inventor： HOFFMANN ERICH ,  HEILMANN PETER ,  SCHNEIDER NORBERT ,  LENZ WERNER ,  JACHOW HARALD ,  LEHNERT RUDI ,  OHLINGER MANFRED ,  JAKUSCH HELMUT ,  VEITCH RONALD JOHN ,  KOHL ALBERT ,  LEHNER AUGUST ,  KOCH VOLKER ,  HUEBNER WERNER

IPC: B32B27/20 ,  B32B33/00 ,  C01G37/02 ,  G11B5/708 ,  G11B5/73 ,  G11B5/733 ,  G11B5/738 ,  G11B5/78 ,  G11B5/704

Abstract: Described are tape-type magnetic recording media (I) including a non-magnetic substrate (III), at least one film applied to the substrate and, in at least one of these films, an inorganic acicular pigment (II) suitable for use as a supporting pigment, the ratio of the mean length to the mean diameter of the pigment (II) being at least 3 and the mean modulus of elasticity of the films being not less than 15 GPa in the longitudinal direction of the tape-type recording medium (I).

公开(公告)号：PT818040E

公开(公告)日：2000-07-31

申请号：PT96907496

申请日：1996-03-18

Applicant: EMTEC MAGNETICS GMBH

Inventor： KOCH VOLKER ,  HEILMANN PETER ,  JANNACH HELMUT ,  KOHL ALBERT ,  LEHNER AUGUST ,  OHLINGER MANFRED ,  LENZ WERNER ,  SCHNEIDER NORBERT ,  VEITCH RONALD JOHN ,  HOFFMANN ERICH ,  HUBNER WERNER ,  JACHOW HARALD ,  LEHNERT RUDI

IPC: B32B33/00 ,  C01G37/02 ,  G11B5/708 ,  B32B27/20 ,  G11B5/73 ,  G11B5/733 ,  G11B5/738 ,  G11B5/78

Abstract: Tape-like magnetic recording media having a nonmagnetic substrate and at least one layer applied to the substrate having incorporated into at least one of these layers, an inorganic needle-shaped pigment which serves as a supporting pigment and has a ratio of the average length to the average diameter of the pigment of at least 3, and the mean modulus of elasticity of the layers is not less than 15 Gpa in the longitudinal direction of the tape-like recording media.

公开(公告)号：NO974467A

公开(公告)日：1997-11-26

申请号：NO974467

申请日：1997-09-26

Applicant: EMTEC MAGNETICS GMBH

Inventor： LEHNER AUGUST ,  JAKUSCH HELMUT ,  KOCH VOLKER ,  OHLINGER MANFRED ,  KOHL ALBERT ,  LENZ WERNER ,  SCHNEIDER NORBERT ,  HEILMANN PETER ,  VEITCH JOHN RONALD ,  HOFFMANN ERICH ,  HUEBNER WERNER ,  JACHOW HARALD ,  LEHNERT RUDI

IPC: B32B27/20 ,  B32B33/00 ,  C01G37/02 ,  G11B5/708 ,  G11B5/73 ,  G11B5/733 ,  G11B5/738 ,  G11B5/78 ,  G11B5/704

CPC classification number: G11B5/708 ,  G11B5/733 ,  G11B5/738 ,  Y10S428/90 ,  Y10T428/256 ,  Y10T428/257

公开(公告)号：NO974467L

公开(公告)日：1997-11-26

申请号：NO974467

申请日：1997-09-26

Applicant: EMTEC MAGNETICS GMBH

Inventor： LEHNER AUGUST ,  JAKUSCH HELMUT ,  KOCH VOLKER ,  OHLINGER MANFRED ,  KOHL ALBERT ,  LENZ WERNER ,  SCHNEIDER NORBERT ,  HEILMANN PETER ,  VEITCH JOHN RONALD ,  HOFFMANN ERICH ,  HUEBNER WERNER ,  JACHOW HARALD ,  LEHNERT RUDI

IPC: B32B33/00 ,  C01G37/02 ,  B32B27/20 ,  G11B5/708 ,  G11B5/73 ,  G11B5/733 ,  G11B5/738 ,  G11B5/78 ,  G11B5/704

Abstract: Tape-like magnetic recording media having a nonmagnetic substrate and at least one layer applied to the substrate having incorporated into at least one of these layers, an inorganic needle-shaped pigment which serves as a supporting pigment and has a ratio of the average length to the average diameter of the pigment of at least 3, and the mean modulus of elasticity of the layers is not less than 15 Gpa in the longitudinal direction of the tape-like recording media.