JPH01204648A - X-ray diagnosis device - Google Patents
X-ray diagnosis deviceInfo
- Publication number
- JPH01204648A JPH01204648A JP63029265A JP2926588A JPH01204648A JP H01204648 A JPH01204648 A JP H01204648A JP 63029265 A JP63029265 A JP 63029265A JP 2926588 A JP2926588 A JP 2926588A JP H01204648 A JPH01204648 A JP H01204648A
- Authority
- JP
- Japan
- Prior art keywords
- ray source
- ray
- rightward
- rotates
- rotating
- 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.)
- Pending
Links
- 238000003745 diagnosis Methods 0.000 title description 5
- 238000001514 detection method Methods 0.000 claims description 9
- 238000010586 diagram Methods 0.000 description 6
- 230000007547 defect Effects 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
- G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
- G01N23/046—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/40—Imaging
- G01N2223/419—Imaging computed tomograph
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Pulmonology (AREA)
- Radiology & Medical Imaging (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Abstract
Description
【発明の詳細な説明】
［発明の目的コ
（産業上の利用分野）
本発明は、Ｘ線源の斜入動におけるバララックス補正を
行なうＸ線診断装置に関する。DETAILED DESCRIPTION OF THE INVENTION [Objective of the Invention (Industrial Application Field) The present invention relates to an X-ray diagnostic apparatus that performs vararax correction in oblique entry movement of an X-ray source.
（従来の技術）
従来、Ｘ線診断装置としてのオーバーチューブ型Ｘ線寝
台装置は第３図に示す如き構成となっている。第３図に
おいて、イメージインテンシイファイヤ（Ｉ、Ｉ）２は
Ｘ線源１がら一定距離だけ離間された位置に、Ｘ線源１
に対向する如く配設され、！、Ｉ２のＸ線入射面中心０
２が前記Ｘ線源１と回転中心０１とを結ぶ直線上に位置
される如く配設されている。前記Ｘ線源１は回転中心０
１を支軸として反時計方向に角度θだけ回動（点線部分
で示すＸ線源１）Ｌ得るものとなっている。さらにＸ線
源１の回動に伴って、前記１、Ｉ２は右方向へ点線で示
す位置まで平行移動するものとなっている。すなわちＸ
線源ｌだけ斜入し、１．Ｉ２は平行移動し得るものとな
っている。(Prior Art) Conventionally, an overtube type X-ray bed apparatus used as an X-ray diagnostic apparatus has a configuration as shown in FIG. In FIG. 3, the image intensifier (I, I) 2 is placed at a position a certain distance apart from the X-ray source 1.
It is arranged so as to face the! , the center of the X-ray incident surface of I2 is 0
2 is arranged so as to be located on a straight line connecting the X-ray source 1 and the rotation center 01. The X-ray source 1 has a rotation center 0
The X-ray source 1 is rotated by an angle θ in the counterclockwise direction around the X-ray source 1 as a support axis (the X-ray source 1 shown by the dotted line) L. Further, as the X-ray source 1 rotates, the above-mentioned 1 and I2 are translated to the right to the position shown by the dotted line. That is, X
Only the radiation source l enters obliquely, 1. I2 can be moved in parallel.
このように構成されたＸ線診断装置において、まずＸ線
源ｌが回動されない位置でＸ線が曝射された場合、１．
１２はＸ線源ｌから曝射されたＸ線を充分に入射するの
で、このＩ、１２により被写体の透視撮影像が良好に形
成される。In the X-ray diagnostic apparatus configured in this way, when X-rays are emitted at a position where the X-ray source l is not rotated, 1.
12 receives a sufficient amount of X-rays emitted from the X-ray source 1, so that a good fluoroscopic image of the subject is formed by these I and 12.
（発明が解決しようとする課題）
然し乍ら、Ｘ線源１が回転中心０１を支軸として反時計
方向に角度θだけ回動し斜入動されると、このＸ線源ｌ
の回動に伴って１．１２が右方向に平行移動する。そう
すると、Ｘ線入射面に充分にＸ線が入射されなくなる。(Problem to be Solved by the Invention) However, when the X-ray source 1 is rotated counterclockwise by an angle θ about the rotation center 01 and is moved obliquely, the X-ray source l
With the rotation of , 1.12 moves in parallel to the right. In this case, sufficient X-rays will not be incident on the X-ray entrance surface.
そしてＸ線源１からの入射角度θが大きくなった場合に
は、被写体の透視撮影像の欠けが発生するという問題が
あった。When the incident angle θ from the X-ray source 1 becomes large, there is a problem in that the fluoroscopic image of the subject is missing.
そこで本発明の目的は、Ｘ線源の斜入動に対しても被写
体の透視撮影像の欠けを発生することなく、被写体の鮮
明な透視撮影像を形成し、適確な診断をなし得るＸ線診
断装置を提供することにある。Therefore, it is an object of the present invention to provide an X-ray system that can form a clear fluoroscopic image of a subject even when an X-ray source moves obliquely, without causing any defects in the fluoroscopic image of the subject, and that can make an accurate diagnosis. The purpose of the present invention is to provide a radiation diagnostic device.
［発明の構成］
（課題を解決する為の手段）
本発明は上記の問題を解決し目的を達成する為に次のよ
うな手段を講じた。Ｘ線を曝射するＸ線源と、このＸ線
源に対向してＸ線を入射するように、Ｘ線入射面中心を
前記Ｘ線源とＸ線源が取り付けられている支柱の回転中
心とを結ぶ直線上に配設されたＸ線検出手段と、前記Ｘ
線源が回転中心を支軸として回動しＸ線が前記Ｘ線検出
手段に斜入動されるとき、前記Ｘ線源の回動に伴ってＸ
線検出手段の入射面をＸ線源と対向する如く回転移動、
平行移動させる回転機構手段と、を備えるようにした。[Structure of the Invention] (Means for Solving the Problems) In order to solve the above problems and achieve the objects, the present invention takes the following measures. An X-ray source that emits X-rays, and a center of rotation of the X-ray source and the support to which the X-ray source is attached, with the center of the X-ray entrance plane facing the X-ray source and the X-ray incident surface. an X-ray detection means disposed on a straight line connecting the
When the radiation source rotates about the rotation center and the X-rays are obliquely introduced into the X-ray detection means, the X-ray source rotates.
rotating the entrance surface of the ray detection means so as to face the X-ray source;
A rotation mechanism means for parallel movement is provided.
（作用）
このような手段を講じたことにより次のような作用を呈
する。Ｘ線源が回転中心を支軸として回動されると、こ
の回動に伴って回転機構手段によりＸ線検出手段の入射
面が前記Ｘ線源と対向する如く回動されるので、Ｘ線検
出手段はＸ線源から曝射されたＸ線を充分に入射し、被
写体の透視撮影像が形成される。その結果、被写体の透
視撮影像の欠けが発生しなくなるので、鮮明な透視撮影
像が形成される。被写体の適確な診断を行なうことが可
能となる。(Effects) By taking such measures, the following effects are achieved. When the X-ray source is rotated about the rotation center, the rotating mechanism means rotates the incident surface of the X-ray detection means so as to face the X-ray source, so that the X-ray The detection means receives enough X-rays emitted from the X-ray source to form a fluoroscopic image of the subject. As a result, the fluoroscopic image of the subject will not be missing, and a clear fluoroscopic image will be formed. It becomes possible to perform an accurate diagnosis of the subject.
（実施例） 第１図は本発明の一実施例の概略構成を示す図である。(Example) FIG. 1 is a diagram showing a schematic configuration of an embodiment of the present invention.
なお第３図における部分と同一部分については説明を省
略する。第１図において、円筒状をなす１．１２は１．
１２の上面すなわちＸ線入射面４が略正方形の薄い板か
らなる固定板３に取り付けられる如く固定されている。Note that description of the same parts as those in FIG. 3 will be omitted. In FIG. 1, 1.12, which has a cylindrical shape, is 1.12.
The upper surface of 12, that is, the X-ray entrance surface 4, is fixed so as to be attached to a fixing plate 3 made of a substantially square thin plate.
連結棒８ａ。Connecting rod 8a.
６ｂは前記固定枠３と同一平面上に側辺３ａ、 ３ｂに
平行に設けられ、連結棒５ａ、 ５ｂを介して固定枠３
と連結されている。連結棒５ａ’、 ５ｂは側片３ａ、
３ｂの中央部位と連結棒８ａ、 ｆｉｂの中央部位を
連結するものとなっており、固定枠３を回転する為の回
転中心となっている。連結棒１３ａ、 ６ｂの両端には
ローラ７ａ〜７ｄが取り付けられている。カム板８ａ〜
８ｄは円弧状をなす細長い溝となっており、前記ローラ
７ａ〜７ｄに対応する如く設けられている。連結棒８ａ
、 ８ｂに取り付けられたローラ７ａ、 ７ｂがカム板
８ａ、 ８ｂを摺動自在に移動し得るものとなっており
、連結棒６ｃ、 ８ｄに取り付けられたローラ７ｃ、
７ｄがカム板８ｃ。6b is provided on the same plane as the fixed frame 3 and parallel to the sides 3a and 3b, and is connected to the fixed frame 3 via the connecting rods 5a and 5b.
is connected to. The connecting rods 5a', 5b are the side pieces 3a,
The central portion of fib 3b is connected to the central portion of connecting rod 8a and fib, and serves as the center of rotation for rotating fixed frame 3. Rollers 7a to 7d are attached to both ends of the connecting rods 13a and 6b. Cam plate 8a~
Reference numeral 8d is an elongated arc-shaped groove, which is provided so as to correspond to the rollers 7a to 7d. Connecting rod 8a
, 8b are capable of slidingly moving the cam plates 8a, 8b, and rollers 7c, 7b attached to the connecting rods 6c, 8d,
7d is the cam plate 8c.
８ｄを摺動自在に移動し得るものとなっている。このカ
ム板８はＸ線源ｌの回動に伴って１．１２のＸ線入射面
４がＸ線源ｌに対向する如く形成されている。8d can be slidably moved. The cam plate 8 is formed so that the X-ray incident surface 4 of 1.12 faces the X-ray source 1 as the X-ray source 1 rotates.
第２図はカム板８の形状を決定するための図である。第
２図において、Ｘ線源ｌの回転中心０１とＸ線源ｌを結
ぶ軸をＹ軸とし、これに直交する軸をＸ軸とする。連結
棒６の中央部位すなわち連結棒５の位置が前記Ｙ軸上に
設定され、回転中心Ｏ１から前記連結棒８の中央部位ま
でｒだけ離れるようになっている。前記連結棒８の全長
は２してあり、連結棒８の左端にはローラＲＯが設けら
れている。また前記Ｘ線源１が反時計方向に角度θだけ
回動したとき、Ｘ線源１の回動に伴って回転中心０１と
Ｘ線源ｌとを結ぶ直線上に対し垂直となるように前記連
結棒８が回動し、ローラＲＯがＲθの位置に移動するも
のとする。このように回動する為には以下の関係式に基
づいてカム板８を形成する必要がある。FIG. 2 is a diagram for determining the shape of the cam plate 8. In FIG. 2, the axis connecting the rotation center 01 of the X-ray source 1 and the X-ray source 1 is the Y-axis, and the axis perpendicular to this is the X-axis. The center portion of the connecting rod 6, that is, the position of the connecting rod 5 is set on the Y axis, and the center portion of the connecting rod 8 is separated by r from the rotation center O1. The total length of the connecting rod 8 is 2, and a roller RO is provided at the left end of the connecting rod 8. Further, when the X-ray source 1 is rotated counterclockwise by an angle θ, the X-ray source 1 is rotated so that the X-ray source 1 is perpendicular to the straight line connecting the rotation center 01 and the X-ray source l. It is assumed that the connecting rod 8 rotates and the roller RO moves to the position Rθ. In order to rotate in this manner, it is necessary to form the cam plate 8 based on the following relational expression.
まず、Ｘ線源ｌを角度θだけ回動した連結棒の中央部位
ＬＯすなわち
ＬＯの（ｘ、ｙ）座標はＸ−ｒｔａｎθ。First, the (x, y) coordinates of the central portion LO of the connecting rod where the X-ray source 1 has been rotated by an angle θ is X-rtanθ.
Ｙ −−ｒ
またローラＲＯが角度θだけ回動したときの位置Ｒｓ
（ＸＲ＃、 ＹＲｓ）は
Ｘ Ｒ＃−ｒ ｔ ａ ｎθ−Ｌｃｏｓθ。Y −-r Also, the position Rs when the roller RO rotates by an angle θ
(XR#, YRs) is X R#-r tanθ-Lcosθ.
ＹＲ，−−Ｌｓｉｎθ−ｒ となる。YR,--Lsinθ-r becomes.
一方、連結棒５ａ、 ５ｂに連結棒１０ａ 、 ｌＯｂ
の一端が取り付けられ、連結棒１０ａ 、 ｌＯｂの他
端がり一ドナット１１に結合されている。リードナツト
１１は細長いリードスクリュー１２に螺合されており、
リードスクリュー１２の右端にはプーリ１３が設けられ
ている。プーリ１３とプーリ１４とにベルト１５が掛は
渡されている。プーリ１４はモータ１Ｂの回転軸に取り
付けられるものとなっており、モータ１６は前記Ｘ線源
ｌの回動に伴って回転し得るものとなっている。On the other hand, connecting rods 10a and lOb are connected to connecting rods 5a and 5b.
One end of the connecting rod 10a, lOb is attached, and the other end of the connecting rod 10a, lOb is connected to a dowel nut 11. The lead nut 11 is screwed onto an elongated lead screw 12,
A pulley 13 is provided at the right end of the lead screw 12. A belt 15 is passed around the pulleys 13 and 14. The pulley 14 is attached to the rotating shaft of the motor 1B, and the motor 16 can rotate as the X-ray source 1 rotates.
次にこのように構成された実施例の作用を説明する。ま
ず、Ｘ線源１が回動しない位置に設定された場合、Ｉ、
１２がＸ線源１からこのＸ線源１に対向して配設される
ので、！、１２の入射面４に充分にＸ線が入力され、良
好な被写体の透視撮影像が形成される。Next, the operation of the embodiment configured as described above will be explained. First, when the X-ray source 1 is set in a non-rotating position, I,
12 is arranged from the X-ray source 1 to face this X-ray source 1, so! , 12 are sufficiently inputted with X-rays, and a good fluoroscopic image of the subject is formed.
次にＸ線源ｌが反時計方向に回動されＸ線がＩ、Ｉ２の
入射面４に斜入動されると、このＸ線源１の回動に伴っ
てモータｌＢが時計方向に回転する。このモータＩＧが
回転すると、プーリ１４が回転しベルト１５を介してプ
ーリ１３も時計方向に回転する。モしてプーリ１３の回
転によりリードスクリュー１２も時計方向に回転し、リ
ードスクリュー１２に螺合されているリードナツト１１
が右方向に平行移動し、これに伴ってリードナツト１１
に取り付けられた連結棒１０ａ 、 ｌＯｂも右方向に
下行移動する。Next, when the X-ray source 1 is rotated counterclockwise and the X-rays are obliquely incident on the entrance plane 4 of I and I2, the motor 1B is rotated clockwise as the X-ray source 1 is rotated. do. When the motor IG rotates, the pulley 14 rotates, and the pulley 13 also rotates clockwise via the belt 15. As the pulley 13 rotates, the lead screw 12 also rotates clockwise, and the lead nut 11 screwed onto the lead screw 12 rotates.
moves in parallel to the right, and along with this, the lead nut 11
The connecting rods 10a and 1Ob attached to the holder also move downward to the right.
そうすると、連結棒５ａ、 ５ｂに取り付けられた連結
棒８ａ、 ８ｂも右方向に移動し、これに伴って連結棒
６ａ、 ８ｂに取り付けられたローラ７ａ〜７ｄがカム
板８ａ〜８ｄを摺動しながら右方向に移動する。すわな
ち連結棒８ａ、 ８ｂの右方向への移動により、ローラ
７ａ。Then, the connecting rods 8a and 8b attached to the connecting rods 5a and 5b also move to the right, and accordingly, the rollers 7a to 7d attached to the connecting rods 6a and 8b slide on the cam plates 8a to 8d. while moving to the right. In other words, by moving the connecting rods 8a, 8b to the right, the roller 7a.
７ｃがカム板８ａ、 ８ｃの溝を右下方向に摺動し、ロ
ーラ７ｂ、 ７ｄがカム板８ｂ、 ８ｄの溝を右上方向
に摺動するので、固定枠３に取り付けられた１、Ｉ２も
これに伴って反時計方向に角度θだけ回動する。したが
って、Ｉ、Ｉの入射面４はＸ線源１に対し垂直となる如
く対向配設されるので、Ｘ線を十分に人力でき、被写体
の透視撮影像の欠けが発生することがなくなる。7c slides in the grooves of cam plates 8a and 8c to the lower right, and rollers 7b and 7d slide in the grooves of cam plates 8b and 8d to the upper right, so that 1 and I2 attached to the fixed frame 3 also Along with this, it rotates counterclockwise by an angle θ. Therefore, since the incident planes 4 of I and I are disposed perpendicularly to and opposite to the X-ray source 1, X-rays can be sufficiently applied manually, and no defects occur in the fluoroscopic image of the subject.
このように本実施例によれば、Ｘ線源ｌから曝射された
Ｘ線を１．Ｉ２が受光し、透視撮影像を形成する。また
Ｘ線源１が回転中心０１を支軸として回動すると、この
回動に伴ってローラ７ａ〜７ｄがカム板８を摺動するこ
とにより、Ｉ、Ｉ２が回動し、Ｉ、１２の入射面が前記
Ｘ線源２と対し垂直となるように配設される。したがっ
て、１． １に充分にＸ線が入射されるので、被写体の
透視撮影像の欠けを発生することがなくなり、鮮明な撮
影像を形成でき、適確な診断を行なうことができる。In this way, according to this embodiment, the X-rays emitted from the X-ray source 1 are 1. I2 receives light and forms a fluoroscopic image. Further, when the X-ray source 1 rotates about the rotation center 01, the rollers 7a to 7d slide on the cam plate 8 in conjunction with this rotation, causing I and I2 to rotate. The entrance plane is arranged perpendicular to the X-ray source 2 . Therefore, 1. Since a sufficient number of X-rays are incident on the subject, a clear photographed image can be formed, and accurate diagnosis can be performed without causing any defects in the fluoroscopic photographed image of the subject.
なお本発明は上述した実施例に限定されるものではなく
、種々変形実施可能であるのは勿論である。Note that the present invention is not limited to the embodiments described above, and of course can be implemented in various modifications.
［発明の効果］
本発明によれば、Ｘ線を曝射するＸ線源と、このＸ線源
に勾向してＸ線を入射するように、Ｘ線入射面中心を前
記Ｘ線源とＸ線源が取り付けられている支柱の回転中心
とを結ぶ直線上に配設されたＸ線検出手段と、前記Ｘ線
源が回転中心を支軸として回動しＸ線が前記Ｘ線検出手
段に斜入動されるとき、前記Ｘ線源の回動に伴ってＸ線
検出手段の入射面をＸ線源と対向する如く回転移動、平
行移動させる回転機構手段とを備えたので、Ｘ線源の斜
入動に対しても被写体透視像の欠けを発生することなく
、鮮明な透視像が形成でき、適確な診断を行なえるＸ線
診断装置を提供できる。[Effects of the Invention] According to the present invention, there is an X-ray source that emits X-rays, and the center of the X-ray incident surface is set to the X-ray source so that the X-rays are incident on the X-ray source at an angle. an X-ray detection means disposed on a straight line connecting the rotation center of the support column to which the X-ray source is attached; When the X-ray source is moved obliquely into the It is possible to provide an X-ray diagnostic apparatus that can form a clear fluoroscopic image of a subject even when the source moves obliquely, without causing any defects in the fluoroscopic image, and can perform accurate diagnosis.
第１図および第２図は本発明の一実施例を示す図で、第
１図は概略構成を示す図、第２図カム板の形状を説明す
る為の図である。第３図は従来例の概略構成を示す図で
ある。
■・・・線源、２・・・Ｉ、Ｉ、３・・・固定枠、４・
・・Ｘ線入射面、５，６．ｔｏ・・・連結棒、７・・・
ローラ、８・・・カム板、ｌｌ・・・リードナツト、１
２・・・リードスクリュー、１３．１４・・・プーリ、
１５・・・ベルト、ＩＧ・・・モータ、０１・・・回転
中心、ｏ２・・・Ｘ線入射面中心。
出願人代理人 弁理士 鈴江武彦
第１図
第２図
第３図1 and 2 are diagrams showing one embodiment of the present invention, with FIG. 1 being a diagram showing a schematic configuration, and FIG. 2 being a diagram for explaining the shape of a cam plate. FIG. 3 is a diagram showing a schematic configuration of a conventional example. ■...Radiation source, 2...I, I, 3...Fixed frame, 4...
...X-ray entrance surface, 5, 6. to...connecting rod, 7...
Roller, 8...Cam plate, ll...Lead nut, 1
2...Lead screw, 13.14...Pulley,
15...Belt, IG...Motor, 01...Rotation center, o2...X-ray entrance surface center. Applicant's agent Patent attorney Takehiko Suzue Figure 1 Figure 2 Figure 3
Claims (1)
入射するように、Ｘ線入射面中心を前記Ｘ線源とＸ線源
が取り付けられている支柱の回転中心とを結ぶ直線上に
配設するＸ線検出手段と、前記Ｘ線源が回転中心を支軸
として回動しＸ線が前記Ｘ線検出手段に斜入動されると
き、前記Ｘ線源の回動に伴ってＸ線検出手段の受光面を
Ｘ線源と対向する如く回転移動、平行移動させる回転機
構手段と、を具備したことを特徴とするＸ線診断装置。An X-ray source that emits X-rays, and a center of rotation of the X-ray source and the support to which the X-ray source is attached, with the center of the X-ray entrance plane facing the X-ray source and the X-ray incident surface. and when the X-ray source rotates about the rotation center and the X-rays are obliquely entered into the X-ray detection means, the An X-ray diagnostic apparatus comprising: rotation mechanism means for rotationally moving and parallelly moving the light-receiving surface of the X-ray detection means so as to face the X-ray source as the X-ray detection means rotates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63029265A JPH01204648A (en) | 1988-02-10 | 1988-02-10 | X-ray diagnosis device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63029265A JPH01204648A (en) | 1988-02-10 | 1988-02-10 | X-ray diagnosis device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01204648A true JPH01204648A (en) | 1989-08-17 |
Family
ID=12271449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63029265A Pending JPH01204648A (en) | 1988-02-10 | 1988-02-10 | X-ray diagnosis device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01204648A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5754621A (en) * | 1993-03-15 | 1998-05-19 | Hitachi, Ltd. | X-ray inspection method and apparatus, prepreg inspecting method, and method for fabricating multi-layer printed circuit board |
| US6072899A (en) * | 1997-01-23 | 2000-06-06 | Hitachi, Ltd. | Method and device of inspecting three-dimensional shape defect |
-
1988
- 1988-02-10 JP JP63029265A patent/JPH01204648A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5754621A (en) * | 1993-03-15 | 1998-05-19 | Hitachi, Ltd. | X-ray inspection method and apparatus, prepreg inspecting method, and method for fabricating multi-layer printed circuit board |
| US6072899A (en) * | 1997-01-23 | 2000-06-06 | Hitachi, Ltd. | Method and device of inspecting three-dimensional shape defect |
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