公开(公告)号：JPS6050689A

公开(公告)日：1985-03-20

申请号：JP15706983

申请日：1983-08-30

Applicant: FUJITSU LTD

Inventor： AMATSU MASASHI

IPC: G11C11/14

Abstract: PURPOSE:To improve the transfer characteristics of a minor loop by varying the thickness of a spacer film responding to a bubble transfer direction at the rectilinear part of the minor loop. CONSTITUTION:The film thickness H and h of a spacer 11 are varied in accordance with the directions A and B where the transfer characteristics of a minor loop are superior and inferior respectively at the rectilinear part of the minor loop formed by a soft magnetic thin film pattern 12. The thickness h is smaller than the thickness H. Therefore the pattern 12 accesses a bubble crystal 10 in the direction B to have larger coupling force than the force in the direction A. This improves the overall transfer characteristics of the minor loop.

公开(公告)号：JPS5963089A

公开(公告)日：1984-04-10

申请号：JP17325682

申请日：1982-10-04

Applicant: Fujitsu Ltd

Inventor： AMATSU MASASHI

IPC: G11C11/14

CPC classification number: G11C11/14

Abstract: PURPOSE:To hold down the increment of the power consumption, by superposing a relatively low auxiliary driving current to a normal driving current for a short time. CONSTITUTION:A square voltage pulse 10 corresponding to HD1 is supplied to an X coil, and a square voltage pulse 11 corresponding to HD1 is supplied to a Y coil, and further, an auxiliary driving voltage pulse 12 is applied to the Y coil near a phase of 0 deg. where a bubble traverses the gap of a half disc transfer path. Therefore, the Lissagjou's waveform of the driving magnetic field is expanded near 0 deg., and the amplitude and the pulse width of this auxiliary driving voltage pulse are selected properly to compensate sufficiently the rise of the driving magnetic field in the gap part of the transfer path, thus holding down the increment of the power consumption.

Abstract translation: 目的：通过在相当短的时间内将辅助驱动电流相对较低的正常驱动电流叠加来抑制功耗的增加。 构成：对应于HD1的方波电压脉冲10被提供给X线圈，对应于HD1的方波电压脉冲11被提供给Y线圈，此外，辅助驱动电压脉冲12施加到Y线圈附近的Y线圈 相位0度 其中气泡穿过半圆盘传送路径的间隙。 因此，驱动磁场的Lissagjou的波形在0度附近扩大，并且该辅助驱动电压脉冲的振幅和脉冲宽度被适当地选择以充分补偿传输的间隙部分中的驱动磁场的上升 路径，从而抑制功耗的增加。

公开(公告)号：JPS5963086A

公开(公告)日：1984-04-10

申请号：JP17097682

申请日：1982-10-01

Applicant: Fujitsu Ltd

Inventor： AMATSU MASASHI ,  YANASE TAKEYASU

IPC: G11C11/14

CPC classification number: G11C11/14

Abstract: PURPOSE:To hold down the power consumption to a relatively low value, by using an auxiliary driving current pulse to compensate the rise of a driving magnetic field generated by application of a hold magnetic field. CONSTITUTION:Driving current pulses whose phases are shifted from each other by 90 deg. are applied to an X coil and a Y coil which are orthogonal to each other. That is, a square voltage pulse 10 is applied to the X coil, and a square voltage pulse 11 is applied to the Y coil, and further, an auxiliary driving voltage pulse 12 is applied to them so that the driving magnetic field in the direction opposite to the direction of the hold magnetic field is intensified. When driving voltage pulse are applied to X and Y coils in this manner, the driving current becomes triangular wave driving currents 13 and 13' because of inductances of coils. In this case, the driving current voltage pulse. As the result, a diamond Lissajous' waveform is attained, and the waveform is expanded in a direction -Hy to compensate the reduction of the driving force due to the hold magnetic field.

Abstract translation: 目的：通过使用辅助驱动电流脉冲来补偿通过施加保持磁场产生的驱动磁场的上升，将功耗降低到相对较低的值。 构成：驱动相位相差90度的电流脉冲。 被施加到彼此正交的X线圈和Y线圈。 也就是说，向X线圈施加平方电压脉冲10，并且向Y线圈施加平方电压脉冲11，并且向辅助驱动电压脉冲12施加辅助驱动电压脉冲12，使得驱动磁场在方向 与保持磁场的方向相反的加强。 当以这种方式将驱动电压脉冲施加到X和Y线圈时，由于线圈的电感，驱动电流变为三角波驱动电流13和13'。 在这种情况下，驱动电流电压脉冲。 结果，获得钻石李沙如波形，并且波形沿方向-Hy扩展以补偿由于保持磁场引起的驱动力的减小。

公开(公告)号：JPS5960790A

公开(公告)日：1984-04-06

申请号：JP17069082

申请日：1982-09-29

Applicant: Fujitsu Ltd

Inventor： FUJIWARA HIDEKI ,  AMATSU MASASHI

IPC: G11C11/14

CPC classification number: G11C11/14

Abstract: PURPOSE:To ensure the satisfactory transfer and drive of bubbles with a small driving magnetic field despite a minute ''Permalloy '' pattern and a small bubble diameter by forming a ''Permalloy '' pattern of a minor loop part within the same layer as a conductor pattern. CONSTITUTION:A conductor pattern C is formed on a spacer layer 5 on a crystal film 4, and at the same time a ''Permalloy '' pattern Pc of a control part is formed on an insulated layer 6 for conversion into alignment. A ''Permalloy '' pattern Pm of a minor loop is different from the pattern Pc and formed to a different layer from the pattern Pc but to the same layer as the pattern C. Therefore the distance between the pattern Pm and the film 4 is reduced by an amount equivalent to the layer 6. Thus it is possible to transfer bubble satisfactorily without intensifying a driving magnetic field of bubbles generated by the pattern Pm.

Abstract translation: 目的：通过在同一层内形成一个小环部分的“坡莫合金”图案，尽管有一个“坡莫合金”图案和小气泡直径，确保令人满意的传递和驱动具有小驱动磁场的气泡 导体图案。 构成：在晶体膜4上的间隔层5上形成导体图案C，同时在绝缘层6上形成控制部分的“坡莫合金”图案Pc，以转换成对准。 次环的“坡莫合金”图案Pm与图案Pc不同，并且形成为与图案Pc不同的层，而是与图案C相同。因此，图案Pm和膜4之间的距离为 减少了与层6相当的量。因此，可以令人满意地转印气泡，而不会增强由图案Pm产生的气泡的驱动磁场。

公开(公告)号：JPS5911987B2

公开(公告)日：1984-03-19

申请号：JP16501879

申请日：1979-12-19

Applicant: Fujitsu Ltd

Inventor： AMATSU MASASHI

IPC: G11C11/14 ,  G11C19/08

公开(公告)号：JPS5916192A

公开(公告)日：1984-01-27

申请号：JP12553182

申请日：1982-07-19

Applicant: Fujitsu Ltd

Inventor： YANASE TAKEYASU ,  AMATSU MASASHI

IPC: G11C11/14 ,  G11C19/08

CPC classification number: G11C19/0816

Abstract: PURPOSE: To transfer minute bubbles surely, by providing a large-size pattern larger than a unit pattern in the part, where it is difficult to make a gap minute and a bubble magnetic domain is operated complicatedly, such as the part between a minor loop and the gate.
CONSTITUTION: One or plural large-size patterns 9 which are about twice as large as unit patterns 2a... are arranged between a gate G and crab foot-shaped unit patterns 2a... which are arranged in a fundamental cycle (p) to constitute the minor loop. When the bubble magnetic domain is transferred in the minor loop and reaches the large-size pattern 9, the pattern 9 is magnetized more strongly than unit patterns 2a... because the pattern 9 is larger than unit patterns 2a..., and enough magnetic force to transfer the bubble magnetic domain is generated. That is, since the pattern 9 adjacent to the gap only in the part, where it is difficult to transfer the bubble magnetic domain, is larger and is magnetized more strongly than pattern gaps, the bubble magnetic domain is transferred easily.
COPYRIGHT: (C)1984,JPO&Japio

Abstract translation: 目的：通过在零件中提供大于单位图案的大尺寸图案，难以使间隙微小并且气泡磁畴复杂地操作，例如小环之间的部分， 和大门。 构成：以基本周期（p）布置的栅极G和螃蟹脚形单元图案2a之间布置有大约两倍于单元图案2a ...的一个或多个大尺寸图案9， 构成次要循环。 当气泡磁畴在小环中传递并达到大尺寸图案9时，图案9比单元图案2a ...更强地磁化，因为图案9大于单元图案2a ...，并且足够 产生磁力传递气泡磁畴。 也就是说，由于仅在气泡磁畴中难以转移的部分中与间隙相邻的图案9比图案间隙更大并且被磁化得更强，所以气泡磁畴容易转印。

公开(公告)号：JPS5880182A

公开(公告)日：1983-05-14

申请号：JP17747981

申请日：1981-11-05

Applicant: FUJITSU LTD

Inventor： OOTAKE ITARU ,  AMATSU MASASHI

IPC: G11C11/14 ,  G11C19/08

Abstract: PURPOSE:To reduce the cost for the packaging level, by covering the storing cavity for a bubble chip with a flat plate having at least two holes and then injecting the resin liquid through one of these two holes while monitoring the quantity of the injected resin through the other hole and then hardening the resin. CONSTITUTION:A chip 14 is loaded and fixed into a cavity part 15 of a substrate 13. The cavity 15 is covered with a flat plate 10 having an air vent 11 and a resin injecting hole 12. The chip protecting resin is injected through the hole 12 and then hardened with heat. In such way, the resin can be easily protected and the cost is reduced for the packaging level. Thus the yield is improved.

公开(公告)号：JPS57203281A

公开(公告)日：1982-12-13

申请号：JP8652381

申请日：1981-06-05

Applicant: FUJITSU LTD

Inventor： AMATSU MASASHI ,  IWASA SEIICHI

IPC: G11C11/14 ,  G11C19/08

Abstract: PURPOSE:To display the address of a defective minor loop by making the address numbers of all minor loops correspond to space matrixes with three- dimensional hierarchical structure and entering hierarchical marks in matrix frames. CONSTITUTION:All the minor loop addresses of magnetic bubble memory packages are made to correspond to space matrixes with three-dimensional hierarchical structure formed by (n) layers (the 1st layer, the 2nd layer,...). Sqaure frames 1, 2,... forming a space layer matrix are printed on a package and hierarchical marks are entered in each frame, so that a defective minor loop address can be displayed even if there are many minor loops with large capacitance.

公开(公告)号：JPS5580876A

公开(公告)日：1980-06-18

申请号：JP13646478

申请日：1978-11-06

Applicant: FUJITSU LTD

Inventor： AMATSU MASASHI

IPC: G11C11/14 ,  G11C19/08

Abstract: PURPOSE:To secure the sufficient exhibition of the function of the guard rail regardless of the forward and backward turns of the rotary magnetic field by taking in the unnecessary magnetic bubbles with enclosure of the magnetic bubble operating region and then forming the specific propagation path to give circulation to the bubbles taken in. CONSTITUTION:Guard rail 8' is provided at the peripheral chip edge of memory region of magnetic bubble chip 9, and thus the unnecessary magnetic bubbles can be prevented from entering the memory region. Owing to rail 8', pattern T of the permalloy pattern turns in the direction of the arror mark to prevent that the unnecessary bubbles circulate in the turning direction of the rotary magnetic field and then enters the memory region. Like pattern 8'', the chevron pattern is also available. Thus the unnecessary bubbles can be prevented effectively from entering the memory region by securing such pattern that can be propagated in two ways. as a result, the malfunction can be avoided for the memory device.

公开(公告)号：JPH0950769A

公开(公告)日：1997-02-18

申请号：JP7206996

申请日：1996-03-27

Applicant: FUJITSU LTD

Inventor： AMATSU MASASHI ,  KANAGU SHINJI ,  SASAKA MASAAKI ,  AWAJI NORIYUKI ,  EBIHARA KAZUMI

IPC: H01J9/02 ,  H01J11/12 ,  H01J11/14 ,  H01J11/22 ,  H01J11/24 ,  H01J11/26 ,  H01J11/28 ,  H01J11/34 ,  H01J11/36 ,  H01J11/38 ,  H01J11/40 ,  H01J11/42 ,  H01J11/46 ,  H01J11/48 ,  H01J11/02 ,  H01J11/00

Abstract: PROBLEM TO BE SOLVED: To prevent deterioration of a transparent conductive film forming a display electrode and to improve the reliability of display. SOLUTION: This AC type plasma display panel has plural display electrodes X, Y, which are respectively formed of a transparent conductive film 41 or a multi-layer film formed of a transparent conductive film 41 and a metal film 42 at a width narrower than that of the transparent conductive film, and a dielectric layer 17A for coating the display electrodes X, Y for shielding from a discharge space 30. The dielectric layer 17A is formed by using the ZnO glass material, in which lead is not practically included.