| 摘要 |
A method for measuring area, quantity, and height of a ball spacer is provided to check an arrangement of the ball spacer by measuring the height of a stacked ball spacer. A method for measuring area, quantity, and height of a ball spacer(30) includes the steps of: setting the focus depth of a measuring instrument to a first predetermined height, desirably the radius of the ball spacer, above a glass substrate(10); checking the ball spacers at the first predetermined height; moving the focus depth of the measuring instrument up to a second predetermined height, desirably 3/2 of the radius of the ball spacer, above the substrate; checking the ball spacers at the second predetermined height; and calculating the number of the ball spacers by dividing the entire area by the area per ball spacer.
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