公开(公告)号：US08402648B2

公开(公告)日：2013-03-26

申请号：US12364036

申请日：2009-02-02

Applicant: Daita Tsubamoto ,  Hitoshi Yokemura ,  Masaki Tosaka

Inventor： Daita Tsubamoto ,  Hitoshi Yokemura ,  Masaki Tosaka

IPC: H01K3/10

CPC classification number: B23K26/106 ,  B23K2101/42 ,  H05K1/115 ,  H05K3/0088 ,  H05K3/027 ,  H05K3/043 ,  H05K3/26 ,  H05K3/423 ,  H05K3/429 ,  H05K3/4688 ,  H05K2201/0761 ,  H05K2201/096 ,  H05K2201/09645 ,  H05K2203/0257 ,  H05K2203/0746 ,  H05K2203/0763 ,  H05K2203/107 ,  H05K2203/1173 ,  H05K2203/175 ,  Y10T29/49117 ,  Y10T29/49155 ,  Y10T29/49165

Abstract: A printed circuit board includes a through hole constituted by a hole penetrating through the front and rear surfaces of the printed circuit board. A fabrication method of the printed circuit board, includes applying conductive material plating to the inner wall surface of the hole to form a through hole electrically connecting the front and rear surfaces of the printed circuit board, and removing the conductive material plated on the hole inner wall surface at least at a portion between the front and rear surfaces of the printed circuit board is carried out to thereby fabricate a printed circuit board having a through hole electrically isolates the front surface of the printed circuit board from the rear surface thereof.

Abstract translation: 印刷电路板包括由穿过印刷电路板的前表面和后表面的孔构成的通孔。 一种印刷电路板的制造方法，包括将导电材料镀敷到孔的内壁表面，以形成电连接印刷电路板的前表面和后表面的通孔，以及去除镀在孔内部的导电材料 至少在印刷电路板的前表面和后表面之间的部分上的壁表面被进行，从而制造具有通孔的印刷电路板，将印刷电路板的前表面与其后表面电隔离。

公开(公告)号：US08000662B2

公开(公告)日：2011-08-16

申请号：US12186043

申请日：2008-08-05

Applicant: Daita Tsubamoto ,  Makoto Suwada ,  Hitoshi Yokemura ,  Masaki Tosaka

Inventor： Daita Tsubamoto ,  Makoto Suwada ,  Hitoshi Yokemura ,  Masaki Tosaka

IPC: H04C1/62

CPC classification number: H04L25/03019 ,  H04L25/03885

Abstract: A transmission characteristic adjustment device and the like that can carry out circuit adjustment before an error occurs, and has a transmission characteristic with high reliability without generating an error are provided.The device determines existence or non-existence of a difference with respect to confirmed data based on each phase of a multiphase clock, detects a window width in a time axis direction of receiving data based on a result of the determination and a phase of the multiphase clock, and evaluates a setting value of a circuit element of the transmission element or the reception element that has an influence on a receiving waveform based on a fluctuation of the detected window width, and changes the setting value of the circuit element of the transmission element or the reception element based on a result of the evaluation.

Abstract translation: 提供了可以在错误发生之前执行电路调整的传输特性调整装置等，并且具有高可靠性的传输特性而不产生错误。 该装置基于多相时钟的每个相位确定相对于确认数据的存在或不存在的差异，基于确定的结果和多相的相位来检测接收数据的时间轴方向上的窗口宽度 时钟，并且基于检测到的窗口宽度的波动来评估对接收波形具有影响的传输元件或接收元件的电路元件的设定值，并且改变传输元件的电路元件的设定值 或基于评估结果的接收元件。

公开(公告)号：US08219955B2

公开(公告)日：2012-07-10

申请号：US12574084

申请日：2009-10-06

Applicant: Daita Tsubamoto ,  Hitoshi Yokemura ,  Hidenobu Shiihara ,  Kazukiyo Ogawa ,  Hisashi Aoyama ,  Masaki Tosaka

Inventor： Daita Tsubamoto ,  Hitoshi Yokemura ,  Hidenobu Shiihara ,  Kazukiyo Ogawa ,  Hisashi Aoyama ,  Masaki Tosaka

IPC: G06F17/50

CPC classification number: G06F17/5077 ,  H05K1/0231 ,  H05K3/0005

Abstract: In order to make it possible to automatically execute a wiring process which satisfies not only a design condition but also design quality relating to an electric characteristic, according to the embodiment, an automatic wiring apparatus includes a design condition changing section for changing a design condition in accordance with priority information regarding the design condition where a wiring process which satisfies the design condition cannot be carried out by a first wiring processing section, a quality allowability decision section for deciding whether or not quality of a wiring region can be allowed where a wiring process which satisfies the design condition after the changing can be executed by a second wiring processing section and an outputting section for outputting a result of the wiring process of the wiring region by the second wiring processing section if it is decided that the quality of the wiring region can be allowed.

Abstract translation: 为了能够自动执行不仅满足设计条件而且满足与电气特性相关的设计质量的布线处理，所以根据本实施例，自动布线装置包括设计条件改变部分，用于改变设计条件 根据关于设计条件的优先级信息，其中满足设计条件的布线处理不能由第一布线处理部进行，质量允许判定部，用于判定布线处理是否允许布线区域的质量 如果确定布线区域的质量，则可以通过第二布线处理部分和输出部分执行改变之后满足设计条件的第二布线处理部分用于输出布线区域的布线处理结果的输出部分 可以允许。

公开(公告)号：US20100057389A1

公开(公告)日：2010-03-04

申请号：US12549826

申请日：2009-08-28

Applicant: Daita Tsubamoto ,  Masaki Tosaka ,  Takashi Fukuda

Inventor： Daita Tsubamoto ,  Masaki Tosaka ,  Takashi Fukuda

IPC: G06F19/00 ,  G01R29/26

CPC classification number: H04B3/487

Abstract: A signal transmission evaluating apparatus acquires cross talk ratio and type categorized by a relationship between the first transmission path and the second transmission path for each of the pins of the second transmission path. The apparatus computes an occupation ratio of the crosstalk for each of the types with respect to all of the crosstalk supplied to the first transmission path in the connector, and computes a noise source output in the second transmission path on the basis of the occupation ratio for each of the types of crosstalk. And the apparatus computes first transmission path loss and second transmission path loss on the basis of the occupation ratio for each of the types of crosstalk, and computes an amount of received noise of the first transmission path on the basis of the noise source output and the first transmission path loss and the second transmission path loss.

Abstract translation: 信号传输评估装置通过第二传输路径的每个引脚的第一传输路径和第二传输路径之间的关系来获取串扰比和类型。 该装置相对于提供给连接器中的第一传输路径的所有串扰来计算每种类型的串扰的占有率，并且基于占用率来计算第二传输路径中的噪声源输出 每种类型的串扰。 并且该装置基于每种类型的串扰的占用率来计算第一传输路径损耗和第二传输路径损耗，并且基于噪声源输出来计算第一传输路径的接收噪声量，并且 第一传输路径损耗和第二传输路径损耗。

公开(公告)号：US08243995B2

公开(公告)日：2012-08-14

申请号：US12591843

申请日：2009-12-02

Applicant: Daita Tsubamoto ,  Masaki Tosaka ,  Shogo Fujimori

Inventor： Daita Tsubamoto ,  Masaki Tosaka ,  Shogo Fujimori

IPC: G06K9/00

CPC classification number: G01R31/31711 ,  G01R31/31708

Abstract: A center location of an eye pattern generated by superimposing waveform signal pieces cut out from a waveform signal generated by a simulator is calculated, and an arrangement of a mask as a quality evaluation criterion of the eye pattern on the center location is envisaged to calculate time coordinate values and voltage coordinate values of feature points included in the mask. First feature points not on a time axis is set as processing objects, and a margin in the voltage axis direction is calculated based on the voltage coordinate values of the first feature points and the voltage coordinate values of waveform signal piece parts associated with the first feature points. Second feature points on the time axis is set as processing objects, and a margin in the time axis direction is calculated based on the time coordinate values of the second feature points and the time coordinate values of waveform signal piece parts associated with the second feature points.

Abstract translation: 计算通过叠加由模拟器产生的波形信号切出的波形信号片而生成的眼图的中心位置，并且设想将作为眼图的质量评估准则​​的掩模作为中心位置的布置来计算时间 掩模中包含的特征点的坐标值和电压坐标值。 将不在时间轴上的第一特征点设置为处理对象，并且基于第一特征点的电压坐标值和与第一特征相关联的波形信号片部分的电压坐标值计算电压轴方向上的余量 积分 将时间轴上的第二特征点设置为处理对象，并且基于第二特征点的时间坐标值和与第二特征点相关联的波形信号片段的时间坐标值来计算时间轴方向上的余量 。

公开(公告)号：US20100080421A1

公开(公告)日：2010-04-01

申请号：US12591843

申请日：2009-12-02

Applicant: Daita Tsubamoto ,  Masaki Tosaka ,  Shogo Fujimori

Inventor： Daita Tsubamoto ,  Masaki Tosaka ,  Shogo Fujimori

IPC: G06K9/00

CPC classification number: G01R31/31711 ,  G01R31/31708

Abstract: A center location of an eye pattern generated by superimposing waveform signal pieces cut out from a waveform signal generated by a simulator is calculated, and an arrangement of a mask as a quality evaluation criterion of the eye pattern on the center location is envisaged to calculate time coordinate values and voltage coordinate values of feature points included in the mask. First feature points not on a time axis is set as processing objects, and a margin in the voltage axis direction is calculated based on the voltage coordinate values of the first feature points and the voltage coordinate values of waveform signal piece parts associated with the first feature points. Second feature points on the time axis is set as processing objects, and a margin in the time axis direction is calculated based on the time coordinate values of the second feature points and the time coordinate values of waveform signal piece parts associated with the second feature points.

Abstract translation: 计算通过叠加由模拟器产生的波形信号切出的波形信号片而生成的眼图的中心位置，并且设想将作为眼图的质量评估准则​​的掩模作为中心位置的布置来计算时间 掩模中包含的特征点的坐标值和电压坐标值。 将不在时间轴上的第一特征点设置为处理对象，并且基于第一特征点的电压坐标值和与第一特征相关联的波形信号片部分的电压坐标值计算电压轴方向上的余量 积分 将时间轴上的第二特征点设置为处理对象，并且基于第二特征点的时间坐标值和与第二特征点相关联的波形信号片段的时间坐标值来计算时间轴方向上的余量 。

公开(公告)号：US08296715B2

公开(公告)日：2012-10-23

申请号：US12823222

申请日：2010-06-25

Applicant: Daita Tsubamoto

Inventor： Daita Tsubamoto

IPC: G06F17/50

CPC classification number: G06F17/5077

Abstract: A wiring design assisting apparatus includes an input part that has attribute information of a wiring pattern input thereto; a degradation degree process part that obtains a degradation degree in signal characteristics of a wiring pattern corresponding to attribute information that is input to the input part, based on position information of the wiring pattern corresponding to the attribute information input to the input part, position information and size information of a pattern removed area, and the degradation degree information; and an extracting process part that extracts, for re-wiring, wiring patterns that have degradation degrees equal to or more than a predetermined degree, from wiring patterns for which degradation degrees have been obtained by the degradation degree process part.

Abstract translation: 布线设计辅助装置包括具有输入到其中的布线图案的属性信息的输入部分; 根据与输入到输入部的输入属性信息对应的布线图案的位置信息，求出与输入到输入部的输入对象的属性信息对应的布线图案的信号特性的劣化度的劣化度处理部，位置信息 和图案去除区域的尺寸信息，以及劣化程度信息; 以及提取处理部，从劣化度处理部得到的劣化度的布线图案，提取具有等于或大于预定程度的劣化度的布线图案的重新布线。

公开(公告)号：US08204722B2

公开(公告)日：2012-06-19

申请号：US12830661

申请日：2010-07-06

Applicant: Daita Tsubamoto

Inventor： Daita Tsubamoto

IPC: G06F17/50

CPC classification number: G06F17/5009 ,  G06F17/5077

Abstract: A disclosed device includes a simulation apparatus which simulates a shift in signal characteristics occurring in a wiring pattern formed in a printed wiring board including a first database that stores wiring pattern attribute information and wiring pattern positional information, a second database storing solid lack portion size information and solid lack portion positional information, a third database that stores shift amount information relative to positional relationships between the wiring patterns and the solid lack portions, a shift amount processing unit configured to obtain the shift amount of the signal characteristics in the wiring pattern corresponding to the wiring pattern attribute information which is input based on the wiring pattern positional information corresponding to the wiring pattern attribute information which is input, the solid lack portion positional information, the solid lack portion size information, and the shift amount information.

Abstract translation: 所公开的装置包括模拟装置，其模拟在包括存储布线图案属性信息和布线图案位置信息的第一数据库的印刷布线板中形成的布线图案中发生的信号特性的偏移，存储实体缺少部分尺寸信息的第二数据库 和固体缺少部分位置信息，第三数据库，存储相对于布线图案和固体缺少部分之间的位置关系的偏移量信息;移位量处理单元，被配置为获得与对应于布线图案的布线图案中的信号特性的偏移量 基于与输入的布线图案属性信息对应的布线图案位置信息输入的布线图案属性信息，固体缺少部位位置信息，固体不足部分尺寸信息和移位量信息。

公开(公告)号：US08260572B2

公开(公告)日：2012-09-04

申请号：US12547857

申请日：2009-08-26

Applicant: Daita Tsubamoto

Inventor： Daita Tsubamoto

IPC: G06F19/00

CPC classification number: H04B17/29 ,  H04B17/26

Abstract: A signal transmission system evaluation apparatus acquires statistics about a variation in a characteristic value and a limit value of the characteristic value corresponding to a given range of variation, with respect to each of the characteristic values which represent characteristics of the components. The apparatus calculates a probability distribution with respect to each of the characteristic values, based on the statistic acquired, calculates an eye-opening of the signal transmission system in case that the characteristic value is the limit value, makes an adjustment of the limit value. The apparatus calculates a yield rate of the signal transmission system based on the probability distribution and the limit value.

Abstract translation: 信号传输系统评估装置相对于表示部件特性的每个特性值，获取关于特定值的变化和对应于给定变化范围的特性值的限制的统计。 该装置基于所获得的统计量，计算相对于每个特征值的概率分布，在特征值为极限值的情况下，计算信号传输系统的睁眼度，进行极限值的调整。 该装置基于概率分布和极限值来计算信号传输系统的产出率。

公开(公告)号：US07805267B2

公开(公告)日：2010-09-28

申请号：US11006770

申请日：2004-12-08

Applicant: Daita Tsubamoto

Inventor： Daita Tsubamoto

IPC: H04L12/56

CPC classification number: H04L49/90

Abstract: The present invention relates to verification of a transmission margin of various transmission lines transmitting a signal such as a high-speed digital signal and ensures improved verification accuracy. A transmission margin verification apparatus according to the present invention is configured with a measurement unit (e.g., LSI tester 4, network analyzer 6, pulse generator 8, oscilloscope 10) operable to measure a transmission loss and a leading edge waveform of pseudo transmission lines (e.g., transmission lines 56, 62, 66) corresponding to a target device 44 to be verified, and a calculation unit (tester controller 12) operable to reference the transmission line loss and the leading edge waveform measured by the measurement unit, calculate a transmission waveform of the target device, and associate the transmission waveform with a mask of the target device to calculate a transmission margin of the target device.

Abstract translation: 本发明涉及对发送诸如高速数字信号的信号的各种传输线的传输余量的验证，并且确保提高的验证精度。 根据本发明的传输容限验证装置配置有可测量传输损耗和伪传输线路的前沿波形的测量单元（例如，LSI测试器4，网络分析器6，脉冲发生器8，示波器10） 例如与要验证的目标装置44相对应的传输线56,62,66，以及可操作以参考由测量单元测量的传输线损耗和前沿波形的计算单元（测试器控制器12），计算传输 波形，并将传输波形与目标设备的掩码相关联，以计算目标设备的传输容限。