DEVICE FOR GROWING CRYSTALS FROM SOLUTIONS Russian patent published in 2010 - IPC C30B7/00 C30B29/14 

FIELD: physics.

SUBSTANCE: invention relates to the technology of growing crystals from salt solutions, particularly for growing KDP (KH₂ PO₄) group crystals which are widely used for making non-linear optical elements. The device has a crystallisation cup 1, a cover 2 of the crystallisation cup, a platform 4 with an inoculating crystal 5 and a mechanism for sealing the inoculating crystal. The cover 2 has an eccentric opening 10 which is tightly closed by a guide bushing 11, where the said opening is for letting in the mechanism for sealing the inoculating crystal 5, which is made in form of a cap 6 which is pressed to the surface of the platform 4 and hinged to an L-shaped bar 7, which can move coaxially with the guide bushing 11. Inside the bar 7 there is a channel 9 for connecting the cavity of the cap 6 to a pressure source. To connect the cavity of the cap 6 to the channel 9, there is a flexible bar 12 inside the L-shaped bar 7. The cap 6 is pressed to the platform 4 by a load or spring at the free end of the bar 7. The source of pressure applied inside the cap is atmospheric air.

EFFECT: crystals are widely used for making non-linear optical elements.

5 cl, 2 dwg