JPS647438B2 - - Google Patents
Info
- Publication number
- JPS647438B2 JPS647438B2 JP59135213A JP13521384A JPS647438B2 JP S647438 B2 JPS647438 B2 JP S647438B2 JP 59135213 A JP59135213 A JP 59135213A JP 13521384 A JP13521384 A JP 13521384A JP S647438 B2 JPS647438 B2 JP S647438B2
- Authority
- JP
- Japan
- Prior art keywords
- bubble
- pattern
- magnetic domain
- conductor pattern
- hairpin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Description
【発明の詳細な説明】
発明の技術分野
本発明は電子計算装置等の記憶装置に用いられ
る磁気バブルメモリ素子に関し、特にそのバブル
磁区制御装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION Technical Field of the Invention The present invention relates to a magnetic bubble memory element used in a storage device such as an electronic computing device, and particularly to a bubble magnetic domain control device thereof.
従来技術と問題点
従来の磁気バブルメモリ素子において、そのバ
ブル磁区転送路あるいは分割器に用いられている
第４図ａ又はｂに示す如きピカツクス形のパーマ
ロイパターン１は導体パターン２と交差する部分
で矢印３で示すバブルの進行方向の出口側と入口
側のパターン幅が同じか、もしくは入口側の方が
出口側より広い形状を有していた。このような従
来のピカツクス形パーマロイパターン１は導体パ
ターン２との交差部後のポテンシヤルが第５図に
曲線Ａで示す如く十分深くなく、バブルは導体交
差部４でトラツプされるエラーが発生するという
欠点があつた。Prior Art and Problems In a conventional magnetic bubble memory element, a pickaxe-shaped permalloy pattern 1 as shown in FIG. The pattern widths on the exit side and the inlet side in the bubble traveling direction shown by arrow 3 were the same, or the inlet side had a shape wider than the exit side. In such a conventional Pickax-shaped permalloy pattern 1, the potential after the intersection with the conductor pattern 2 is not deep enough, as shown by curve A in FIG. 5, and an error occurs in which the bubble is trapped at the conductor intersection 4. There were flaws.
発明の目的
本発明は上記従来の欠点に鑑み、ピカツクス形
パーマロイパターンを有するバブル磁区転送路お
よび分割器において、導体パターンとの交差部で
バブルがトラツプされ、バブル転送特性が劣化さ
れることを防止したバブル磁区制御装置を提供す
ることを目的とするものである。Purpose of the Invention In view of the above-mentioned conventional drawbacks, the present invention prevents bubbles from being trapped at intersections with conductor patterns and deteriorating bubble transfer characteristics in a bubble magnetic domain transfer path and divider having a pickaxe-shaped permalloy pattern. The object of the present invention is to provide a bubble magnetic domain control device.
発明の構成
そしてこの目的は本発明によれば、ヘアピン形
の導体パターンと軟磁性薄膜パターンからなるバ
ブル磁区転送路および分割器を有する磁気バブル
メモリ素子において、該バブル磁区転送路および
分割器を構成する軟磁性薄膜パターンのバブル磁
区進行方向の出口側で且つヘアピン導体パターン
と重なる部分のパターン幅を入口側より広くした
ことを特徴とするバブル磁区制御装置を提供する
ことによつて達成される。According to the present invention, the object is to provide a magnetic bubble memory element having a bubble domain transfer path and a divider made of a hairpin-shaped conductor pattern and a soft magnetic thin film pattern, in which the bubble domain transfer path and the divider are configured. This is achieved by providing a bubble magnetic domain control device characterized in that the pattern width of a soft magnetic thin film pattern on the exit side in the direction of bubble magnetic domain movement and overlapping with the hairpin conductor pattern is wider than on the entrance side.
発明の実施例
第１図は本発明によるバブル磁区制御装置を示
す図である。同図において、１０は軟磁性薄膜パ
ターンとしてのパーマロイによるピカツクスパタ
ーン、１１はヘアピン導体パターンを示してい
る。Embodiments of the Invention FIG. 1 is a diagram showing a bubble domain control device according to the present invention. In the figure, reference numeral 10 indicates a pickax pattern made of permalloy as a soft magnetic thin film pattern, and reference numeral 11 indicates a hairpin conductor pattern.
本実施例はピカツクスパターン１０の頂部にａ
図の如き傾斜部１２又はｂ図の如き段差部１３を
設け、ヘアピン導体パターン１１と重なる部分の
パターン幅を矢印１４で示すバブル磁区進行方向
の入口側の幅W1より出口側の幅W2を広く形成し
たものである。 In this embodiment, a
An inclined portion 12 as shown in the figure or a stepped portion 13 as shown in Fig. b is provided, and the pattern width of the portion overlapping with the hairpin conductor pattern 11 is indicated by an arrow 14, from the width W 1 on the entrance side in the direction of bubble magnetic domain propagation to the width W 2 on the exit side. It is a broad form of
このように構成された本実施例はパーマロイパ
ターン１０と導体パターン１１との交差部後のポ
テンシヤルが第５図に曲線Ｂで示す如く深くなる
ため、バブルの通過が容易となり、ここでトラツ
プされるエラーは防止される。 In this embodiment configured in this way, the potential after the intersection of the permalloy pattern 10 and the conductor pattern 11 becomes deeper as shown by curve B in FIG. 5, so that bubbles can easily pass through and be trapped there. Errors are prevented.
第２図は本発明の他の実施例を説明するための
図であり、１０はパーマロイピカツクスパター
ン、１１はヘアピン導体パターンを示す。 FIG. 2 is a diagram for explaining another embodiment of the present invention, in which reference numeral 10 indicates a permalloy pictorial pattern and 11 indicates a hairpin conductor pattern.
本実施例が前実施例と異なるところは、前実施
例のパーマロイピカツクスパターン１０の頂部に
設けた傾斜１２又は段差１３の代りに、矢印１４
で示すバブル磁区進行方向出口側で且つ導体パタ
ーン１１と重なる部分にａ図の如き台形の突部１
５又はｂ図の知く角形の突部１６を設けたもので
ある。このように構成された本実施例は前実施例
と同様な作用により同様な効果が得られる。 The difference between this embodiment and the previous embodiment is that instead of the slope 12 or step 13 provided at the top of the permalloy pictogram pattern 10 of the previous embodiment, an arrow 14
A trapezoidal protrusion 1 as shown in Fig. a is provided on the exit side in the direction of bubble magnetic domain movement indicated by and in a portion overlapping with the conductor pattern 11.
A rectangular protrusion 16 as shown in Fig. 5 or b is provided. The present embodiment configured in this manner has the same effect as the previous embodiment and can obtain the same effects.
更に第３図は他の実施例を示す図であり、１０
はパーマロイピカツクスパターン、１１はヘアピ
ン導体パターンを示す。本実施例が前実施例と異
なるところは前実施例のパーマロイパターン１０
に設けた突部１５又は１６をゆるい傾斜の山形１
７としたことである。このように構成された本実
施例も第１図に示した実施例と同様な作用により
同様な効果がある。 Further, FIG. 3 is a diagram showing another embodiment, and 10
11 indicates a permalloy pictorial pattern, and 11 indicates a hairpin conductor pattern. The difference between this example and the previous example is that the permalloy pattern 10 of the previous example is
The protrusion 15 or 16 provided in the gently sloped chevron 1
7. This embodiment configured in this manner also has the same effect as the embodiment shown in FIG. 1 due to the same operation.
発明の効果
以上、詳細に説明したように、本発明のバブル
磁区制御装置は、磁気バブルメモリ素子のバブル
磁区転送路および分割器を構成する軟磁性パター
ンのヘアピン導体と重なる部分において、バブル
磁区進行方向の出口側のパターン幅を入口側より
広くすることにより、導体パターンとの交差部後
のポテンシヤルを深くして、バブルの通過を容易
とし、該部でバブルがトラツプされるといつたエ
ラーを防止可能とした効果大なるものである。Effects of the Invention As described above in detail, the bubble magnetic domain control device of the present invention allows the bubble magnetic domain to advance in the portion overlapping with the hairpin conductor of the soft magnetic pattern constituting the bubble magnetic domain transfer path and divider of the magnetic bubble memory element. By making the pattern width wider on the exit side of the conductor pattern than on the entrance side, the potential after the intersection with the conductor pattern is deepened, making it easier for bubbles to pass through, and reducing errors such as when bubbles are trapped at that part. This has a great effect in making it preventable.
第１図は本発明によるバブル磁区制御装置を説
明するための図、第２図及び第３図は本発明の他
の実施例を説明するための図、第４図は従来のバ
ブル磁区制御装置を説明するための図、第５図は
パーマロイパターンと導体パターンの交差部後の
ポテンシヤルを説明するための図である。
同図において、１０はパーマロイピカツクスパ
ターン、１１はヘアピン導体パターンをそれぞれ
示す。
FIG. 1 is a diagram for explaining a bubble magnetic domain control device according to the present invention, FIGS. 2 and 3 are diagrams for explaining other embodiments of the present invention, and FIG. 4 is a diagram for explaining a conventional bubble magnetic domain control device. FIG. 5 is a diagram for explaining the potential after the intersection of the permalloy pattern and the conductor pattern. In the figure, numeral 10 indicates a permalloy conductor pattern, and numeral 11 indicates a hairpin conductor pattern.
Claims (1)
ーンからなるバブル磁区転送路および分割器を有
する磁気バブルメモリ素子において、該バブル磁
区転送路および分割器を構成する軟磁性薄膜パタ
ーンのバブル磁区進行方向の出口側で且つヘアピ
ン導体パターンと重なる部分のパターン幅を入口
側より広くしたことを特徴とするバブル磁区制御
装置。 ２ 前記軟磁性薄膜パターンのバブル磁区進行方
向の出口側で且つヘアピン導体パターンと重なる
部分に突部を設けたことを特徴とする特許請求の
範囲第１項記載のバブル磁区制御装置。[Claims] 1. In a magnetic bubble memory element having a bubble magnetic domain transfer path and a divider consisting of a hairpin-shaped conductor pattern and a soft magnetic thin film pattern, the soft magnetic thin film pattern constituting the bubble magnetic domain transfer path and the divider is A bubble magnetic domain control device characterized in that the pattern width at the exit side in the bubble magnetic domain traveling direction and at the portion overlapping with the hairpin conductor pattern is wider than at the entrance side. 2. The bubble magnetic domain control device according to claim 1, wherein a protrusion is provided on the exit side of the soft magnetic thin film pattern in the bubble magnetic domain traveling direction and in a portion overlapping with the hairpin conductor pattern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59135213A JPS6116092A (en) | 1984-07-02 | 1984-07-02 | Bubble domain controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59135213A JPS6116092A (en) | 1984-07-02 | 1984-07-02 | Bubble domain controller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6116092A JPS6116092A (en) | 1986-01-24 |
| JPS647438B2 true JPS647438B2 (en) | 1989-02-08 |
Family
ID=15146481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59135213A Granted JPS6116092A (en) | 1984-07-02 | 1984-07-02 | Bubble domain controller |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6116092A (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5641582A (en) * | 1979-09-07 | 1981-04-18 | Nec Corp | Magnetic bubble memory element |
-
1984
- 1984-07-02 JP JP59135213A patent/JPS6116092A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6116092A (en) | 1986-01-24 |
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