JP7406571B2 - 検査装置及び検査方法 - Google Patents
検査装置及び検査方法 Download PDFInfo
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- JP7406571B2 JP7406571B2 JP2021570617A JP2021570617A JP7406571B2 JP 7406571 B2 JP7406571 B2 JP 7406571B2 JP 2021570617 A JP2021570617 A JP 2021570617A JP 2021570617 A JP2021570617 A JP 2021570617A JP 7406571 B2 JP7406571 B2 JP 7406571B2
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- 238000007689 inspection Methods 0.000 title claims description 72
- 238000000034 method Methods 0.000 title claims description 43
- 229910000679 solder Inorganic materials 0.000 claims description 76
- 238000001514 detection method Methods 0.000 claims description 54
- 230000005484 gravity Effects 0.000 claims description 41
- 238000012545 processing Methods 0.000 claims description 30
- 239000012530 fluid Substances 0.000 claims description 23
- 239000000758 substrate Substances 0.000 description 34
- 238000010586 diagram Methods 0.000 description 26
- 238000012546 transfer Methods 0.000 description 16
- 238000003860 storage Methods 0.000 description 10
- 238000003384 imaging method Methods 0.000 description 9
- 230000005856 abnormality Effects 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000000284 extract Substances 0.000 description 4
- 230000002950 deficient Effects 0.000 description 3
- 230000032258 transport Effects 0.000 description 3
- 240000001973 Ficus microcarpa Species 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000010606 normalization Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000013518 transcription Methods 0.000 description 1
- 230000035897 transcription Effects 0.000 description 1
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
- H05K13/08—Monitoring manufacture of assemblages
- H05K13/081—Integration of optical monitoring devices in assembly lines; Processes using optical monitoring devices specially adapted for controlling devices or machines in assembly lines
- H05K13/0817—Monitoring of soldering processes
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/0002—Inspection of images, e.g. flaw detection
- G06T7/0004—Industrial image inspection
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M1/00—Testing static or dynamic balance of machines or structures
- G01M1/12—Static balancing; Determining position of centre of gravity
- G01M1/122—Determining position of centre of gravity
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/956—Inspecting patterns on the surface of objects
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/0002—Inspection of images, e.g. flaw detection
- G06T7/0004—Industrial image inspection
- G06T7/001—Industrial image inspection using an image reference approach
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/60—Analysis of geometric attributes
- G06T7/66—Analysis of geometric attributes of image moments or centre of gravity
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
- G01N2021/8887—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges based on image processing techniques
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/956—Inspecting patterns on the surface of objects
- G01N2021/95638—Inspecting patterns on the surface of objects for PCB's
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/956—Inspecting patterns on the surface of objects
- G01N2021/95638—Inspecting patterns on the surface of objects for PCB's
- G01N2021/95646—Soldering
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30108—Industrial image inspection
- G06T2207/30141—Printed circuit board [PCB]
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30108—Industrial image inspection
- G06T2207/30152—Solder
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0266—Marks, test patterns or identification means
- H05K1/0269—Marks, test patterns or identification means for visual or optical inspection
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/16—Inspection; Monitoring; Aligning
- H05K2203/162—Testing a finished product, e.g. heat cycle testing of solder joints
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/10—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern
- H05K3/12—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using thick film techniques, e.g. printing techniques to apply the conductive material or similar techniques for applying conductive paste or ink patterns
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
- H05K3/341—Surface mounted components
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- General Physics & Mathematics (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Theoretical Computer Science (AREA)
- Quality & Reliability (AREA)
- Analytical Chemistry (AREA)
- Pathology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Manufacturing & Machinery (AREA)
- Operations Research (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Aviation & Aerospace Engineering (AREA)
- Geometry (AREA)
- Signal Processing (AREA)
- Supply And Installment Of Electrical Components (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
Description
部品を基板上に配置する実装装置を含む実装システムに用いられる検査装置であって、
所定部位に粘性流体が形成された処理対象物を撮像した撮像画像に含まれる一塊領域を抽出し、抽出した該一塊領域の重心を求め、前記撮像画像の基準としての前記所定部位の正規範囲内に前記重心が含まれるか否かを判定することによって隣り合う所定部位に亘って前記粘性流体が形成されるブリッジが生じているか否かを判定する制御部、
を備えたものである。
更に、CPU26は、撮像画像に対し電極Eの領域と電極Eの領域外とを跨ぎ輝度差を検出する複数の検出ラインLを用い、所定の許容率を満たす検出ラインLに基づいて電極Eの位置を特定し、部品Paの配置状態を検出したのち、ブリッジが生じているか否かを判定する。この制御装置25では、電極Eが他の部位と形式上繋がった画像が撮像された場合でも、検出ラインL及び許容率を用いることによって、電極Eの位置を柔軟に検出することができ、電極Eの位置に基づいて部品Paの位置決めなどを行うことができる。そして、この制御装置25では、電極Eの位置を把握した上で、更にブリッジの検出をより適正に実行することができる。
部品を基板上に配置する実装装置を含む実装システムに用いられる検査方法であって、
(a)所定部位に粘性流体が形成された処理対象物を撮像した撮像画像に含まれる一塊領域を抽出するステップと、
(b)ステップ(a)で抽出した該一塊領域の重心を求め、前記撮像画像の基準としての前記所定部位の正規範囲内に前記重心が含まれるか否かを判定することによって隣り合う所定部位に亘って前記粘性流体が形成されるブリッジが生じているか否かを判定するステップと、
を含むものである。
Claims (3)
- 部品を基板上に配置する実装装置を含む実装システムに用いられる検査装置であって、
所定部位に粘性流体が形成された処理対象物を撮像した撮像画像に含まれる一塊領域を抽出し、抽出した該一塊領域の重心を求め、前記撮像画像の基準としての前記所定部位の正規範囲内に前記重心が含まれるか否かを判定することによって隣り合う所定部位に亘って前記粘性流体が形成されるブリッジが生じているか否かを判定する制御部、を備え、
前記制御部は、前記撮像画像に対し前記所定部位の領域と前記所定部位の領域外とを跨ぎ輝度差を検出する複数の検出ラインを用い、前記複数の検出ラインの本数に対して前記輝度差が所定の閾値を跨ぐ点の検出された前記検出ラインの本数が所定の許容率を満たす該検出ラインに基づいて前記所定部位の位置を特定し、前記処理対象物の配置状態を検出したのち、前記ブリッジが生じているか否かを判定する、検査装置。 - 前記処理対象物は、2以上の電極を有する部品であり、
前記粘性流体は、はんだであり、
前記制御部は、前記はんだのブリッジが生じているか否かを判定する、請求項1に記載の検査装置。 - 部品を基板上に配置する実装装置を含む実装システムに用いられる検査方法であって、(a)所定部位に粘性流体が形成された処理対象物を撮像した撮像画像に含まれる一塊領域を抽出するステップと、
(b)ステップ(a)で抽出した該一塊領域の重心を求め、前記撮像画像の基準としての前記所定部位の正規範囲内に前記重心が含まれるか否かを判定することによって隣り合う所定部位に亘って前記粘性流体が形成されるブリッジが生じているか否かを判定するステップと、を含み、
前記ステップ(b)では、前記撮像画像に対し前記所定部位の領域と前記所定部位の領域外とを跨ぎ輝度差を検出する複数の検出ラインを用い、前記複数の検出ラインの本数に対して前記輝度差が所定の閾値を跨ぐ点の検出された前記検出ラインの本数が所定の許容率を満たす該検出ラインに基づいて前記所定部位の位置を特定し、前記処理対象物の配置
状態を検出したのち、前記ブリッジが生じているか否かを判定する、検査方法。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2020/001559 WO2021144981A1 (ja) | 2020-01-17 | 2020-01-17 | 検査装置及び検査方法 |
Publications (2)
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JPWO2021144981A1 JPWO2021144981A1 (ja) | 2021-07-22 |
JP7406571B2 true JP7406571B2 (ja) | 2023-12-27 |
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Country Status (5)
Country | Link |
---|---|
US (1) | US20230029470A1 (ja) |
EP (1) | EP4092408A4 (ja) |
JP (1) | JP7406571B2 (ja) |
CN (1) | CN114930160A (ja) |
WO (1) | WO2021144981A1 (ja) |
Families Citing this family (1)
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JP7191173B1 (ja) * | 2021-09-17 | 2022-12-16 | Ckd株式会社 | 基板検査装置及び基板検査方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002543421A (ja) | 1999-05-04 | 2002-12-17 | スピードライン・テクノロジーズ・インコーポレーテッド | 基板上の半田ペースト堆積を検査する方法および装置 |
JP2003315014A (ja) | 2002-04-19 | 2003-11-06 | Fujitsu Ltd | 検査方法及び検査装置 |
JP2009192282A (ja) | 2008-02-13 | 2009-08-27 | Ckd Corp | 半田印刷検査装置及び部品実装システム |
JP2016217872A (ja) | 2015-05-20 | 2016-12-22 | 大日本印刷株式会社 | 検査装置、検査方法、プログラム、記録媒体 |
WO2019146004A1 (ja) | 2018-01-23 | 2019-08-01 | 株式会社Fuji | 対応関係生成装置 |
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US5621811A (en) * | 1987-10-30 | 1997-04-15 | Hewlett-Packard Co. | Learning method and apparatus for detecting and controlling solder defects |
JP3105353B2 (ja) * | 1992-06-30 | 2000-10-30 | 松下電器産業株式会社 | クリーム半田印刷検査装置 |
JP3129026B2 (ja) * | 1993-05-21 | 2001-01-29 | 松下電器産業株式会社 | クリーム半田印刷状態の検査方法 |
CA2113752C (en) * | 1994-01-19 | 1999-03-02 | Stephen Michael Rooks | Inspection system for cross-sectional imaging |
JPH1075051A (ja) * | 1996-07-05 | 1998-03-17 | Toyota Motor Corp | 外観検査装置 |
JP2004050413A (ja) | 2002-07-16 | 2004-02-19 | Hitachi High-Tech Instruments Co Ltd | スクリーン印刷機 |
GB2403003B (en) * | 2003-06-19 | 2006-06-07 | Dek Int Gmbh | Inspection system for and method of inspecting deposits printed on workpieces |
JP4549662B2 (ja) | 2003-12-04 | 2010-09-22 | パナソニック株式会社 | 半田検査装置および半田検査方法 |
JP3882840B2 (ja) * | 2004-03-01 | 2007-02-21 | オムロン株式会社 | はんだ印刷検査方法、およびこの方法を用いたはんだ印刷検査機ならびにはんだ印刷検査システム |
JP4935109B2 (ja) * | 2005-03-17 | 2012-05-23 | オムロン株式会社 | 基板検査装置並びにその検査ロジック設定方法および検査ロジック設定装置 |
JP4770517B2 (ja) * | 2006-03-01 | 2011-09-14 | 株式会社日立プラントテクノロジー | 半田ペースト印刷検査方法 |
JP5884015B2 (ja) * | 2012-11-19 | 2016-03-15 | パナソニックIpマネジメント株式会社 | 電子部品装着システム |
WO2017130372A1 (ja) * | 2016-01-29 | 2017-08-03 | 富士機械製造株式会社 | 電子部品実装機および生産ライン |
JP6262378B1 (ja) * | 2017-02-09 | 2018-01-17 | Ckd株式会社 | 基板検査装置、基板検査方法、及び、基板の製造方法 |
KR20190084167A (ko) * | 2017-12-21 | 2019-07-16 | 주식회사 고영테크놀러지 | 인쇄 회로 기판 검사 장치, 스크린 프린터의 결함 유형 결정 방법 및 컴퓨터 판독 가능한 기록 매체 |
-
2020
- 2020-01-17 CN CN202080091090.3A patent/CN114930160A/zh active Pending
- 2020-01-17 US US17/758,663 patent/US20230029470A1/en active Pending
- 2020-01-17 EP EP20913738.9A patent/EP4092408A4/en active Pending
- 2020-01-17 WO PCT/JP2020/001559 patent/WO2021144981A1/ja unknown
- 2020-01-17 JP JP2021570617A patent/JP7406571B2/ja active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002543421A (ja) | 1999-05-04 | 2002-12-17 | スピードライン・テクノロジーズ・インコーポレーテッド | 基板上の半田ペースト堆積を検査する方法および装置 |
JP2003315014A (ja) | 2002-04-19 | 2003-11-06 | Fujitsu Ltd | 検査方法及び検査装置 |
JP2009192282A (ja) | 2008-02-13 | 2009-08-27 | Ckd Corp | 半田印刷検査装置及び部品実装システム |
JP2016217872A (ja) | 2015-05-20 | 2016-12-22 | 大日本印刷株式会社 | 検査装置、検査方法、プログラム、記録媒体 |
WO2019146004A1 (ja) | 2018-01-23 | 2019-08-01 | 株式会社Fuji | 対応関係生成装置 |
Also Published As
Publication number | Publication date |
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CN114930160A (zh) | 2022-08-19 |
EP4092408A4 (en) | 2023-02-08 |
US20230029470A1 (en) | 2023-02-02 |
JPWO2021144981A1 (ja) | 2021-07-22 |
EP4092408A1 (en) | 2022-11-23 |
WO2021144981A1 (ja) | 2021-07-22 |
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