Method and the device in order to maintain the interval of the tension focusing mask strand of the tension focusing mask

摘要

It regards method and the device which keep the interval of tension mask strand 44 in the tension focusing mask 50 in cathode ray tube 10. As for this method of producing the tension focusing mask, the mask frame 306 where you can install the vertical strand giving; The permanent adhesive is granted on screen side of the mask strand; At least one new non permanent horizontal guide component 302 on gun side of the mask strand with the non permanent adhesive installation; Cross wire 46 is granted on screen side of the strand; The device is heated, (1) the cross wire is installed permanently in the mask strand with that, (2) the adhesive of gun side of the mask strand evaporates and the step which it tries to be able to remove the non permanent guide component is included. The guide component (1) grants the horizontal cross wire on screen side of the mask, (2) continuously while heat treatment, keeps the interval of the vertical mask strand.