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    • 4. 发明申请
    • METHOD FOR FABRICATING A SEMICONDUCTOR ON INSULATOR TYPE SUBSTRATE
    • 用于制造绝缘体类型基板上的半导体的方法
    • WO2009112306A1
    • 2009-09-17
    • PCT/EP2009/050994
    • 2009-01-29
    • S.O.I.TEC SILICON ON INSULATOR TECHNOLOGIESMALEVILLE, Christophe
    • MALEVILLE, Christophe
    • H01L21/762
    • H01L21/76254H01L21/02079Y10S438/977
    • The present invention relates to a method forfabricating a substrate (1) of semiconductor on insulatortype, comprising the following steps: - formation of an oxide layer (20) on a donor substrate (10) or a receiver substrate (30), - implantation of atomic species in the donor substrate so as to form a weakened zone(12), - bonding of the donor substrate onto the receiver substrate (30), the oxide layer (20) being at the bonding interface, - fracturing the donor substrate in the weakened zone (12) and transferring a layer of the donor substrate to the receiver substrate (30), - recycling of the remainder (2) of the donor substrate to form a receiver substrate (40) used for fabrication of a second semiconductor on insulator type 10 substrate. Before the oxidation step, a layer(14) of semiconducting materialis formed by epitaxy onthedonor substrate (10). In the implantation step, the weakened zone (12) formed in said epitaxied layer (14) so that the transferred layer is an epitaxied semiconducting material layer (140). And the donor substrate (10) is chosen comprising oxygen precipitates with a density of less than10 10 /cm 3 and/or a mean size of less than 500 nm.
    • 本发明涉及一种用于制造绝缘体上半导体衬底(1)的方法,包括以下步骤: - 在施主衬底(10)或接收器衬底(30)上形成氧化物层(20), - 植入 原子物质,以形成弱化区(12), - 施主衬底接合到接收衬底(30)上,氧化物层(20)处于接合界面处, - 在施主衬底中将施主衬底压裂 弱化区(12)并且将施主衬底的层转移到接收器衬底(30), - 再循环施主衬底的其余部分(2)以形成用于制造绝缘体上的第二半导体的接收器衬底(40) 10型衬底。 在氧化步骤之前,通过外延衬底(10)形成半导体材料层(14)。 在注入步骤中,形成在所述表面层(14)中的弱化区(12),使得转移层是表面半导体材料层(140)。 并且选择供体衬底(10)包括密度小于10 10 / cm 3和/或平均尺寸小于500nm的氧沉淀物。
    • 9. 发明申请
    • A METHOD OF INCREASING THE AREA OF A USEFUL LAYER OF MATERIAL TRANSFERRED ONTO A SUPPORT
    • 增加有用材料层转移到支持的方法
    • WO2004008527A1
    • 2004-01-22
    • PCT/EP2003/007855
    • 2003-07-16
    • S.O.I.TEC SILICON ON INSULATOR TECHNOLOGIESMALEVILLE, Christophe
    • MALEVILLE, Christophe
    • H01L21/762
    • H01L21/76259H01L21/76254H01L33/0079
    • The invention relates to a method of increasing the area of a useful layer (63) of material coming from a source substrate (6) and which is effectively transferred onto a support substrate (7). The invention is remarkable in that the dimensions of the outer outline (C 61 , C 71 ) of one of said source and support substrates (6 and 7), referred to as the "first" substrate (6, 7) are greater than the dimensions of the outer outline (C 71 , C 61 ) of the other substrate referred to as the "second" substrate (7, 6), in that the outer outline (C 6 , C 7 ) of the flat central zone (60, 70) of said first substrate (6, 7) presents dimensions greater than the dimensions of the inner outline (C 7 , C 6 ) of the secondary chamfer (75, 65) of said second substrate (7, 6), and in that during bonding, the substrates (6, 7) are applied one against the other in such a manner that the inner outline (C 7 , C 6 ) of the secondary chamfer (75, 65) of the second substrate (7, 6) is inscribed within the outline (C 6 , C 7 ) of the flat central zone (60, 70) of the first substrate (6, 7). The invention is applicable to fabricating a composite substrate in the field of electronics, optics, or optoelectronics.
    • 本发明涉及增加源源(6)的有效层(63)的面积并有效地转移到支撑衬底(7)上的方法。 本发明的突出之处在于,被称为“第一”衬底(6,7)的所述源极和支撑衬底(6和7)中的一个的外轮廓(C61,C71)的尺寸大于 被称为“第二”基板(7,6)的另一基板的外轮廓(C71,C61),即所述第一基板的平坦中心区域(60,70)的外轮廓(C6,C7) (6,7)具有大于所述第二基板(7,6)的二次倒角(75,65)的内轮廓(C7,C6)的尺寸的尺寸,并且在接合期间,基板(6, 7)以这样的方式施加,使得第二基板(7,6)的次级倒角(75,65)的内轮廓(C7,C6)被内接在轮廓(C6,C7)内 第一基板(6,7)的平坦的中心区域(60,70)。 本发明可应用于制造电子,光学或光电领域的复合衬底。