Step-Height Measurement Device And Method For Slot Die
AssigneeLG Energy Solution, Ltd.
InventorsJiwoong Jang, Sang Su Ryu
Life of this patent
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Abstract
A method for measuring a step difference between a lip and a shim of a slot die includes contacting a jig with at least one of a plurality of bodies of the slot die where a portion of the slot die from which the ink is discharged is positioned, wherein the jig has a laser sensor; and measuring a step difference between a plurality of lips of the slot die and the at least one shim of the slot die with the laser sensor.
Claims4
A method of measuring a step difference of a slot die, which includes a plurality of bodies having a plurality of lips provided at one end thereof, and a shim provided between the plurality of lips and is configured to discharge an ink, the method comprising:
- contacting a jig with at least one of the plurality of bodies where a portion of the slot die from which the ink is discharged is positioned, wherein the jig has a laser sensor;
- and
- measuring a step difference between the plurality of lips and the at least one shim of the slot die with the laser sensor,
- wherein the jig configured to maintain a distance between the lip and the laser sensor and to maintain a distance between the core and the laser sensor.
Dependencies are inferred from the claim text.