東莞市畦達(dá)光電科技公司目前生產(chǎn)的標(biāo)定板，測微尺，線紋尺 ，分辨率版線寬可以達(dá)到0.001mm，精度誤差高達(dá)0.00015mm，材料有石英玻璃，光學(xué)普通玻璃。陶瓷片。型號(hào)名稱有效圖形（mm）陣列中心距（mm）圓點(diǎn)直徑（mm）精度（mm）C6X6-7X7-0.75-0.375標(biāo)定板6X67X70.750.3750.001C10X10-7X7-1.25-0.625標(biāo)定板10X107X71.250.6250.001C20X20-7X7-2.5-1.25標(biāo)定板20 X207X72.51.250.001C30X30-7X7-3.75-1.875標(biāo)定板30X307X73.751.8750.001C40X40-7X7-5-2.5標(biāo)定板40X407X752.50.001C50X50-7X7-6.25-3.125標(biāo)定板50X507X76.253.1250.001C 60X60-7X7-7.5-3.75標(biāo)定板60X607X77.53.750.001C 80X80-7X7-10-5標(biāo)定板80X807X71050.001C100X100-7X7-12.5-6.25標(biāo)定板100X1007X712.56.250.001C100X100-7X7-12.5-6.25標(biāo)定板125127X1277X712.56.250.001C100-15x15-6-3標(biāo)定板87X8715x15630.001C8.1X8.1-41X41-0.2-0.1標(biāo)定板8.1X8.141X410.20.10.001C12.2X12.2-31X31-0.4-0.2標(biāo)定板12.2X12.231X310.40.20.001