TENSION MEASUREMENT METHOD OF SHADOW MASK
PROBLEM TO BE SOLVED: To provide a tension measurement method capable of measuring a tension distribution of a shadow mask in a contactless manner. SOLUTION: The surface of the shadow mask is shaken in a contactless manner by a shaker 9 as shown in Fig. (b), the vibration of the shaken shadow mask i...
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| Zusammenfassung: | PROBLEM TO BE SOLVED: To provide a tension measurement method capable of measuring a tension distribution of a shadow mask in a contactless manner. SOLUTION: The surface of the shadow mask is shaken in a contactless manner by a shaker 9 as shown in Fig. (b), the vibration of the shaken shadow mask is measured by a measuring instrument 10 in a contactless manner, and the frequency of the measured vibration is converted to the tension of the shadow mask surface. COPYRIGHT: (C)2005,JPO&NCIPI |
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