JPS5793203A - Measuring method for ratio between front and back surface areas of flat-board-shaped solid substance - Google Patents

Measuring method for ratio between front and back surface areas of flat-board-shaped solid substance

Info

Publication number
JPS5793203A
JPS5793203A JP16846680A JP16846680A JPS5793203A JP S5793203 A JPS5793203 A JP S5793203A JP 16846680 A JP16846680 A JP 16846680A JP 16846680 A JP16846680 A JP 16846680A JP S5793203 A JPS5793203 A JP S5793203A
Authority
JP
Japan
Prior art keywords
measured
ratio
electrode
back surface
surface areas
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.)
Granted
Application number
JP16846680A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0122881B2 (enrdf_load_stackoverflow
Inventor
Yoshibumi Iwata
Michihiro Yoshioka
Katsumi Kosaka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ibiden Co Ltd
Ibigawa Electric Industry Co Ltd
Original Assignee
Ibiden Co Ltd
Ibigawa Electric Industry Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ibiden Co Ltd, Ibigawa Electric Industry Co Ltd filed Critical Ibiden Co Ltd
Priority to JP16846680A priority Critical patent/JPS5793203A/ja
Publication of JPS5793203A publication Critical patent/JPS5793203A/ja
Publication of JPH0122881B2 publication Critical patent/JPH0122881B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/32—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring areas
    • 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
    • H05K3/22—Secondary treatment of printed circuits
    • H05K3/24—Reinforcing the conductive pattern
    • H05K3/241—Reinforcing the conductive pattern characterised by the electroplating method; means therefor, e.g. baths or apparatus

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Electroplating Methods And Accessories (AREA)
JP16846680A 1980-11-29 1980-11-29 Measuring method for ratio between front and back surface areas of flat-board-shaped solid substance Granted JPS5793203A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16846680A JPS5793203A (en) 1980-11-29 1980-11-29 Measuring method for ratio between front and back surface areas of flat-board-shaped solid substance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16846680A JPS5793203A (en) 1980-11-29 1980-11-29 Measuring method for ratio between front and back surface areas of flat-board-shaped solid substance

Publications (2)

Publication Number Publication Date
JPS5793203A true JPS5793203A (en) 1982-06-10
JPH0122881B2 JPH0122881B2 (enrdf_load_stackoverflow) 1989-04-28

Family

ID=15868626

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16846680A Granted JPS5793203A (en) 1980-11-29 1980-11-29 Measuring method for ratio between front and back surface areas of flat-board-shaped solid substance

Country Status (1)

Country Link
JP (1) JPS5793203A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105057608A (zh) * 2015-09-11 2015-11-18 重庆大学 一种用于重力铸造合金临界凝固系数检测的装置和方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105057608A (zh) * 2015-09-11 2015-11-18 重庆大学 一种用于重力铸造合金临界凝固系数检测的装置和方法

Also Published As

Publication number Publication date
JPH0122881B2 (enrdf_load_stackoverflow) 1989-04-28

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