1.
    发明专利
    未知

    公开(公告)号:DE69533134D1

    公开(公告)日:2004-07-15

    申请号:DE69533134

    申请日:1995-10-30

    Abstract: A MOS technology power device comprises a plurality of elementary functional units which contribute for respective fractions to an overall current of the power device and which are formed in a semiconductor material layer (2) of a first conductivity type. Each elementary functional unit comprises a body region (3) of a second conductivity type formed in the semiconductor material layer (2), the body region (3) having the form of a body stripe (3) elongated in a longitudinal direction on a surface of the semiconductor material layer (2). Each body stripe (3) includes at least one source portion (60) doped with dopants of the first conductivity type which is intercalated with a body portion (40) of the body stripe (3) wherein no dopants of the first conductivity type are provided.

    2.
    发明专利
    未知

    公开(公告)号:DE69534919T2

    公开(公告)日:2007-01-25

    申请号:DE69534919

    申请日:1995-10-30

    Abstract: A MOS technology power device comprises: a semiconductor material layer (2) of a first conductivity type; a conductive insulated gate layer (7,8,9) covering the semiconductor material layer (2); a plurality of elementary functional units, each elementary functional unit comprising a body region (3) of a second conductivity type formed in the semiconductor material layer (2), the body region (3) having the form of an elongated body stripe, each elementary functional unit further comprising an elongated window (12) in the insulated gate layer (7,8,9) extending above the elongated body stripe (3). Each body stripe (3) includes at least one source portion (60;61;62) doped with dopants of the first conductivity type, intercalated with a body portion (40;41;3') of the body stripe (3) wherein no dopant of the first conductivity type are provided. The conductive insulated gate layer (7,8,9) comprises a first insulating material layer (7) placed above the semiconductor material layer (2), a conductive material layer (8) placed above the first insulating material layer (7), and a second insulating material layer (9) placed above the conductive material layer (8). Insulating material sidewall spacers (13) are provided to seal edges of the elongated window (12) in the insulated gate layer (7,8,9).

    3.
    发明专利
    未知

    公开(公告)号:DE69533134T2

    公开(公告)日:2005-07-07

    申请号:DE69533134

    申请日:1995-10-30

    Abstract: A MOS technology power device comprises a plurality of elementary functional units which contribute for respective fractions to an overall current of the power device and which are formed in a semiconductor material layer (2) of a first conductivity type. Each elementary functional unit comprises a body region (3) of a second conductivity type formed in the semiconductor material layer (2), the body region (3) having the form of a body stripe (3) elongated in a longitudinal direction on a surface of the semiconductor material layer (2). Each body stripe (3) includes at least one source portion (60) doped with dopants of the first conductivity type which is intercalated with a body portion (40) of the body stripe (3) wherein no dopants of the first conductivity type are provided.

    MOS TECHNOLOGY POWER DEVICE
    4.
    发明专利

    公开(公告)号:JPH09252115A

    公开(公告)日:1997-09-22

    申请号:JP28875896

    申请日:1996-10-30

    Abstract: PROBLEM TO BE SOLVED: To make the contact of source metal layers and main body areas satisfactory even if scaled down to the limit of photolithography and to realize high integration. SOLUTION: Respective basic function unit contain second conductive long main body areas 3 being parallel bars which are formed in a semiconductor material layer and are detached by the distance (d). Main body parts 40 to which first conductive impurities are not given and first conductive source areas 60 are mutually positioned in the respective long main body areas 3. Openings 11 are provided for dielectric layers 9 sealing the conductive layers to be grown to gates along the center parts of the long main body areas 3. The metal layers constituting a source electrode are brought into contact with the source areas 60 and the main body parts 40.

    MOS TECHNIQUE POWER DEVICE
    5.
    发明专利

    公开(公告)号:JPH09298301A

    公开(公告)日:1997-11-18

    申请号:JP28872996

    申请日:1996-10-30

    Abstract: PROBLEM TO BE SOLVED: To provide a power device with a higher integration scale than a conventional MOS technique power device. SOLUTION: This device is provided with a conductive insulating gate layer covering a first conductivity type semiconductor layer and a plurality of basic function unit. Each basic function unit contains a slim window formed on an insulating gate layer 9 extending on a slim base body 3. The first conductivity type source regions 60 not doped with impurities of the main parts 40 are alternately positioned in each slim base body 3. Further, a side wall spacer of an insulating material is formed along a longitudinally directed edge of each slim window so as to seal an edge of each slim window. A source metal layer is brought into contact with each slim main body region and each source region through each main body region.

    HIGH DENSITY MOS TECHNOLOGY POWER DEVICE STRUCTURE

    公开(公告)号:JP2000058829A

    公开(公告)日:2000-02-25

    申请号:JP13955599

    申请日:1999-05-20

    Abstract: PROBLEM TO BE SOLVED: To provide the structure of a high density MOS technology power device provided with a first conductivity-type base area formed in a second conductivity-type semiconductor layer. SOLUTION: A base area has at least pairs of substantially linear and substantially parallel base stripes 32. The respective base stripes 32 are connected to the adjacent base stripes 32 at end parts by a junction area. Thus, at least the pairs of base stripes 32 and the junction area can form continuous meandered base areas 31A-31D.

    METHOD OF MANUFACTURING A SEMICONDUCTOR POWER DEVICE
    7.
    发明申请
    METHOD OF MANUFACTURING A SEMICONDUCTOR POWER DEVICE 审中-公开
    制造半导体功率器件的方法

    公开(公告)号:WO2007006764A3

    公开(公告)日:2007-03-15

    申请号:PCT/EP2006064035

    申请日:2006-07-07

    Abstract: A trench (5) is formed in a semiconductor body (2); the side walls and the bottom of the trench are covered with a first dielectric material layer (9); the trench (5) is filled with a second dielectric material layer (10); the first and the second dielectric material layers (9, 10) are etched via a partial, simultaneous and controlled etching such that the dielectric materials have similar etching rates; a gate-oxide layer (13) having a thickness smaller than the first dielectric material layer (9) is deposited on the walls of the trench (5); a gate region (14) of conductive material is formed within the trench (5); and body regions (7) and source regions (8) are formed within the semiconductor body (2), at the sides of and insulated from the gate region (14). Thereby, the gate region (14) extends only on top of the remaining portions of the first and second dielectric material layers (9, 10).

    Abstract translation: 沟槽(5)形成在半导体本体(2)中; 沟槽的侧壁和底部被第一介电材料层(9)覆盖; 沟槽(5)填充有第二电介质层(10); 通过部分,同时和受控的蚀刻蚀刻第一和第二介电材料层(9,10),使得介电材料具有相似的蚀刻速率; 在沟槽(5)的壁上沉积厚度小于第一介电材料层(9)的栅极 - 氧化物层(13)。 在沟槽(5)内形成导电材料的栅区(14); 并且在所述半导体本体(2)的所述栅极区域(14)的侧面和与所述栅极区域(14)绝缘的状态下,在所述半导体本体(2)中形成所述主体区域(7)和源极区域 因此,栅极区域(14)仅在第一和第二介电材料层(9,10)的剩余部分的顶部延伸。

    METHOD FOR MANUFACTURING ELECTRONIC DEVICES INTEGRATED IN A SEMICONDUCTOR SUBSTRATE AND CORRESPONDING DEVICES
    8.
    发明申请
    METHOD FOR MANUFACTURING ELECTRONIC DEVICES INTEGRATED IN A SEMICONDUCTOR SUBSTRATE AND CORRESPONDING DEVICES 审中-公开
    用于制造集成在半导体衬底和相应器件中的电子器件的方法

    公开(公告)号:WO2007006504A2

    公开(公告)日:2007-01-18

    申请号:PCT/EP2006006672

    申请日:2006-07-07

    Abstract: Method for manufacturing electronic devices on a semiconductor substrate (1, 1a; 10, 11) with wide band gap comprising the steps of: forming a screening structure (3a, 20) on said semiconductor substrate (1, 1a; 10, 11) comprising at least a dielectric layer (2, 20) which leaves a plurality of areas of said semiconductor substrate (1, 1a; 10, 11) exposed, carrying out at least a ion implantation of a first type of dopant in said semiconductor substrate (1, 1a; 10, 11) to form at least a first implanted region (4, 40), carrying out at least a ion implantation of a second type of dopant in said semiconductor substrate (1, 1a; 10, 11) to form at least a second implanted region (6, 6c; 60, 61) inside said at least a first implanted region (4, 40), carrying out an activation thermal process of the first type and second type of dopant with low thermal budget suitable to complete said formation of said at least first and second implanted regions (4, 40; 6, 60).

    Abstract translation: 在具有宽带隙的半导体衬底(1,1a; 10,11)上制造电子器件的方法包括以下步骤:在所述半导体衬底(1,1a; 10,11)上形成屏蔽结构(3a,20),包括: 至少一个留下所述半导体衬底(1,1a; 10,11)的多个区域的介电层(2,20),所述多个区域暴露在所述半导体衬底(1)中至少进行第一类型的掺杂剂的离子注入 ,1a; 10,11)以形成至少第一注入区域(40,40),在所述半导体衬底(1,1a; 10,11)中至少执行第二类型的掺杂剂的离子注入以形成 在所述至少第一注入区域(4,40)内部的至少一个第二注入区域(6,6c; 60,61)中,执行所述第一类型和第二类型的掺杂剂的激活热过程,其具有适合于完成 所述至少第一和第二植入区域(4,40; 6,60)的形成。

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