公开(公告)号：US20060037674A1

公开(公告)日：2006-02-23

申请号：US10534249

申请日：2003-11-25

申请人： Kazuto Okamura ,  Kazunori Ohmizo ,  Takaki Suzuki

发明人： Kazuto Okamura ,  Kazunori Ohmizo ,  Takaki Suzuki

IPC分类号： B32B15/08 ,  C21D1/70

CPC分类号： G11B5/486 ,  H05K1/056 ,  Y10T428/31681

摘要： The invention relates to a substrate for HDD suspension. A laminate for HDD suspension comprises a stainless steel layer, a polyimide resin layer, and a conductor layer. The conductor layer is composed of a copper or copper alloy foil having a thickness of 14 μm or less, a tensile strength of 400 MPa, and a conductance of 65% or more. A suspension formed of such a laminate facilitates the control of the flying height of the slider of the suspension essential to great progress of the technology for higher capacity of HDDs, facilitates the impedance control improves the tension rate, reduces the loss of electric signal, facilitates machining of the shape of the flying lead, and provides durability.

摘要翻译： 本发明涉及一种用于HDD悬挂的基板。 用于HDD悬挂的层压板包括不锈钢层，聚酰亚胺树脂层和导体层。 导体层由厚度为14μm以下，拉伸强度为400MPa，电导率为65％以上的铜或铜合金箔构成。 由这种层压板形成的悬架有助于控制悬架的滑块的飞行高度，这对于更高容量的HDD的技术来说是非常大的进步，便于阻抗控制提高张力，减少电信号的损失，便于 加工飞铅的形状，并提供耐用性。

公开(公告)号：US20060073316A1

公开(公告)日：2006-04-06

申请号：US11253564

申请日：2005-10-20

申请人： Kazuto Okamura ,  Kazutoshi Taguchi ,  Kazunori Ohmizo ,  Makoto Shimose ,  Katsuya Sakayori ,  Terutoshi Momose ,  Tomoko Togashi ,  Michiaki Uchiyama ,  Shigeki Kawano

发明人： Kazuto Okamura ,  Kazutoshi Taguchi ,  Kazunori Ohmizo ,  Makoto Shimose ,  Katsuya Sakayori ,  Terutoshi Momose ,  Tomoko Togashi ,  Michiaki Uchiyama ,  Shigeki Kawano

IPC分类号： B32B3/00

CPC分类号： G11B5/4853 ,  C08G73/1042 ,  H05K1/056 ,  H05K3/002 ,  Y10T428/24917 ,  Y10T428/31721

摘要： This invention relates to an HDD suspension and a process for its manufacture with high productivity and reliability. The HDD suspension of this invention is manufactured from a laminate composed of a stainless steel substrate, an insulating resin layer and a metal foil by wet-etching the laminate by the use of a basic fluid. The insulating layer of the laminate is composed of plural layers of polyimide, every constituent layer exhibits a mean etching rate of 0.5 μM/min or more by a 50 wt % aqueous solution of KOH at 80° C., the layers in contact with the stainless steel substrate and the metal foil are those of polyimide (B) exhibiting a glass transition temperature of 300° C. or less and the adhesive strength between the layer of polyimide (B) and either the stainless steel substrate or the metal foil is 0.5 kN/m or more.

摘要翻译： 本发明涉及一种具有高生产率和可靠性的HDD悬架及其制造方法。 本发明的HDD悬架通过使用碱性流体湿法蚀刻层压体由由不锈钢基板，绝缘树脂层和金属箔组成的叠层制造。 层叠体的绝缘层由多层聚酰亚胺构成，各构成层通过在80℃下的50重量％的KOH水溶液表现出0.5μmM/ min以上的平均蚀刻速度，与 不锈钢基材和金属箔是玻璃化转变温度为300℃以下的聚酰亚胺（B），并且聚酰亚胺（B）与不锈钢基材或金属箔之间的粘合强度为0.5 kN / m以上。

公开(公告)号：US20070026678A1

公开(公告)日：2007-02-01

申请号：US11543812

申请日：2006-10-06

申请人： Katsuya Sakayori ,  Terutoshi Momose ,  Tomoko Togashi ,  Shigeki Kawano ,  Michiaki Uchiyama ,  Kazuto Okamura ,  Kazutoshi Taguchi ,  Kazunori Ohmizo ,  Makoto Shimose

发明人： Katsuya Sakayori ,  Terutoshi Momose ,  Tomoko Togashi ,  Shigeki Kawano ,  Michiaki Uchiyama ,  Kazuto Okamura ,  Kazutoshi Taguchi ,  Kazunori Ohmizo ,  Makoto Shimose

IPC分类号： H01L21/302

CPC分类号： H05K3/002 ,  G11B5/484 ,  H05K1/056 ,  H05K3/386 ,  H05K2201/0195 ,  H05K2203/1152 ,  Y10T428/31681

摘要： The present invention provides a laminate comprising an insulating layer having suppressed dusting properties, an insulating film comprising the insulating layer, and an electronic circuit component comprising a pattern of the insulating layer. The laminate has a layer construction of first inorganic material layer-insulating layer-second inorganic material layer or a layer construction of inorganic material layer-insulating layer. The insulating layer comprises a laminate of two or more wet etchable insulating unit layers. At the interface between the inorganic material layer and the insulating layer, surface irregularities of the inorganic material layer have been transferred onto the surface of the insulating layer. The average height of the surface irregularities transferred onto the insulating layer is less than the thickness of the outermost insulating unit layer in the insulating layer.

摘要翻译： 本发明提供一种层压体，其包含具有抑制粉尘特性的绝缘层，包含绝缘层的绝缘膜，以及包括绝缘层图案的电子电路部件。 层压体具有第一无机材料层 - 绝缘层 - 第二无机材料层或无机材料层 - 绝缘层的层结构的层结构。 绝缘层包括两个或更多个可湿蚀刻绝缘单元层的叠层。 在无机材料层和绝缘层之间的界面处，无机材料层的表面凹凸已经转移到绝缘层的表面上。 传递到绝缘层上的表面凹凸的平均高度小于绝缘层中最外层绝缘单元层的厚度。

公开(公告)号：US08066891B2

公开(公告)日：2011-11-29

申请号：US11543812

申请日：2006-10-06

申请人： Katsuya Sakayori ,  Terutoshi Momose ,  Tomoko Togashi ,  Shigeki Kawano ,  Michiaki Uchiyama ,  Kazuto Okamura ,  Kazutoshi Taguchi ,  Kazunori Ohmizo ,  Makoto Shimose

发明人： Katsuya Sakayori ,  Terutoshi Momose ,  Tomoko Togashi ,  Shigeki Kawano ,  Michiaki Uchiyama ,  Kazuto Okamura ,  Kazutoshi Taguchi ,  Kazunori Ohmizo ,  Makoto Shimose

IPC分类号： H01B13/00

CPC分类号： H05K3/002 ,  G11B5/484 ,  H05K1/056 ,  H05K3/386 ,  H05K2201/0195 ,  H05K2203/1152 ,  Y10T428/31681

摘要： The present invention provides a laminate comprising an insulating layer having suppressed dusting properties, an insulating film comprising the insulating layer, and an electronic circuit component comprising a pattern of the insulating layer. The laminate has a layer construction of first inorganic material layer-insulating layer-second inorganic material layer or a layer construction of inorganic material layer-insulating layer. The insulating layer comprises a laminate of two or more wet etchable insulating unit layers. At the interface between the inorganic material layer and the insulating layer, surface irregularities of the inorganic material layer have been transferred onto the surface of the insulating layer. The average height of the surface irregularities transferred onto the insulating layer is less than the thickness of the outermost insulating unit layer in the insulating layer.

摘要翻译： 本发明提供一种层压体，其包含具有抑制粉尘特性的绝缘层，包含绝缘层的绝缘膜，以及包括绝缘层图案的电子电路部件。 层压体具有第一无机材料层 - 绝缘层 - 第二无机材料层或无机材料层 - 绝缘层的层结构的层结构。 绝缘层包括两个或更多个可湿蚀刻绝缘单元层的叠层。 在无机材料层和绝缘层之间的界面处，无机材料层的表面凹凸已经转移到绝缘层的表面上。 传递到绝缘层上的表面凹凸的平均高度小于绝缘层中最外层绝缘单元层的厚度。

公开(公告)号：US07338716B2

公开(公告)日：2008-03-04

申请号：US10467463

申请日：2002-02-25

申请人： Kazuto Okamura ,  Kazutoshi Taguchi ,  Kazunori Ohmizo ,  Makoto Shimose

发明人： Kazuto Okamura ,  Kazutoshi Taguchi ,  Kazunori Ohmizo ,  Makoto Shimose

IPC分类号： B32B9/00

CPC分类号： B32B15/08 ,  B32B27/06 ,  B32B27/18 ,  B32B27/36 ,  H05K1/0346 ,  H05K1/036 ,  H05K3/002 ,  H05K2201/0355 ,  H05K2201/068 ,  H05K2203/0759 ,  Y10T428/24917 ,  Y10T428/24942 ,  Y10T428/2495 ,  Y10T428/24959 ,  Y10T428/31681 ,  Y10T428/31721

摘要： This invention relates to a laminate comprising an insulating polyimide resin layer etchable by an aqueous alkaline solution and a metal foil. The laminate has an insulating resin layer composed of a plurality of polyimide resin layers on the metal foil and the insulating resin layer has at least one polyimide resin layer (A) with a coefficient of linear thermal expansion (CTE) of 30×10−6/° C. or less and at least one polyimide resin layer (B) with a glass transition temperature (Tg) of 300° C. or below, the layer in contact with the metal foil is the polyimide resin layer (B), the bonding strength between the metal foil and the polyimide resin layer (B) in contact therewith is 0.5 kN/m or more, and the average rate of etching of the insulating resin layer by a 50 wt % aqueous solution of potassium hydroxide at 80° C. is 0.5 μm/min or more. The laminate is useful for flexible printed circuits and the like.

摘要翻译： 本发明涉及包含可由碱性水溶液和金属箔蚀刻的绝缘聚酰亚胺树脂层的层压体。 层压体具有在金属箔上由多个聚酰亚胺树脂层构成的绝缘树脂层，绝缘树脂层具有至少一个线性热膨胀系数（CTE）为30×10 -6的聚酰亚胺树脂层（A） 6℃以下的玻璃化转变温度（Tg）为300℃以下的至少一个聚酰亚胺树脂层（B），与金属箔接触的层为聚酰亚胺树脂层 （B）中，金属箔与其接触的聚酰亚胺树脂层（B）的接合强度为0.5kN / m以上，通过50重量％的钾水溶液对绝缘树脂层的平均蚀刻速度 在80℃下的氢氧化物为0.5m / min以上。 该层压板可用于柔性印刷电路等。

公开(公告)号：US20070153423A1

公开(公告)日：2007-07-05

申请号：US10585181

申请日：2004-12-28

申请人： Hiromasa Shoji ,  Yuji Kubo ,  Takeshi Hamada ,  Tamami Mizuno ,  Kazuto Okamura ,  Tazo Sawamura

发明人： Hiromasa Shoji ,  Yuji Kubo ,  Takeshi Hamada ,  Tamami Mizuno ,  Kazuto Okamura ,  Tazo Sawamura

IPC分类号： G11B5/48 ,  G11B21/16

CPC分类号： B32B15/18 ,  B32B15/08 ,  B32B15/20 ,  B32B27/281 ,  B32B2255/06 ,  B32B2255/205 ,  B32B2307/304 ,  B32B2307/306 ,  B32B2429/00 ,  B32B2457/00 ,  G11B5/484 ,  H05K1/056 ,  H05K3/384 ,  H05K3/388 ,  H05K2201/0154

摘要： There is provided a substrate material, for an HDD suspension, which has excellent adhesion between a stainless steel foil and an insulating resin layer and maintains high etching performance by preventing metal components in the stainless steel from diffusing into the insulating resin layer. The substrate material for an HDD suspension of the invention is a material obtained by shaping a stainless steel foil, wherein, on the surface of the stainless steel foil and on at least one side thereof, there are laminated, at least, a covering layer made chiefly of either one or both of a metal oxide and a metal hydroxide with chromium excluded as the metal species, and an insulating resin layer.

摘要翻译： 提供了用于HDD悬架的基板材料，其在不锈钢箔和绝缘树脂层之间具有优异的粘附性，并且通过防止不锈钢中的金属成分扩散到绝缘树脂层中而保持高的蚀刻性能。 本发明的HDD悬架的基板材料是通过成形不锈钢箔而获得的材料，其中，在不锈钢箔的表面上及其至少一个侧面上，至少层叠有至少一层覆盖层 主要由金属氧化物和不含铬的金属氢氧化物中的任一种或两者作为金属物质，以及绝缘树脂层。

公开(公告)号：US06998455B1

公开(公告)日：2006-02-14

申请号：US10110316

申请日：2000-10-20

申请人： Takuhei Ohta ,  Katsufumi Hiraishi ,  Makoto Shimose ,  Kazuto Okamura ,  Naoya Okabayashi ,  Kazunori Oomizo

发明人： Takuhei Ohta ,  Katsufumi Hiraishi ,  Makoto Shimose ,  Kazuto Okamura ,  Naoya Okabayashi ,  Kazunori Oomizo

IPC分类号： C08F122/40

CPC分类号： C08G73/10 ,  H05K1/0346 ,  H05K1/056

摘要： This invention relates to a laminate which changes in dimension to such a small extent as not to cause curling and warpage when the ambient humidity changes and is useful for flexible printed wiring boards. The laminate possesses a polyimide layer or layers of polyimides formed on a conductor by coating and at least one of the polyimide layers is composed of polyimide of low hygroscopic expansion obtained by the reaction of diamines containing 20 mol % or more of 4,4′-diamino-2,2′-dimethylbiphenyl with a tetracarboxylic acid compound and exhibiting a coefficient of linear hygroscopic expansion of 15×10−6/% RH or less.

摘要翻译： 本发明涉及一种层叠体，其尺寸变化到如此小的程度，当环境湿度变化时不会引起卷曲和翘曲，并且可用于柔性印刷线路板。 层压体具有通过涂布在导体上形成的聚酰亚胺层或聚酰亚胺层，并且至少一个聚酰亚胺层由通过使含有20摩尔％以上的4,4'-二羧酸的二胺反应获得的低吸湿膨胀性的聚酰亚胺构成， 二氨基-2,2'-二甲基联苯与四羧酸化合物，线性吸湿膨胀系数为15×10 -6 /％RH以下。