公开(公告)号：US2046768A

公开(公告)日：1936-07-07

申请号：US60960132

申请日：1932-05-06

Applicant: CAPITA EMIL R

Inventor： CAPITA EMIL R

IPC: F23D11/42

CPC classification number: F23D11/42

公开(公告)号：US3582287A

公开(公告)日：1971-06-01

申请号：US3582287D

申请日：1968-01-09

Applicant: CAPITA EMIL R

Inventor： CAPITA EMIL R

IPC: C30B15/02 ,  C30B15/04 ,  C30B15/32 ,  B01J17/18

CPC classification number: C30B15/02 ,  C30B15/04 ,  C30B15/32 ,  Y10S117/911 ,  Y10S148/041 ,  Y10S148/107 ,  Y10T117/1056 ,  Y10T117/1068 ,  Y10T117/1072

Abstract: A MEANS AND METHOD OF PRODUCING A LARGE DIAMETER SINGLE CRYSTAL ROD OF SEMI-CONDUCTOR MATERIAL BY THE "SEED-PULLING" METHOD COMPRISING A HERMETICALLY-SEALED CHAMBER WITH MEANS FOR INTRODUCING A BAR OF POLY CRYSTAL MATERIAL THEREIN AT AN ANGLE TO THE VERTICAL SO THAT A GENERALLY CONICAL INDUCTION HEATING COIL MAY BE PLACED ABOUT THE BAR END WITHIN THE CHAMBER TO HEAT IT TO A MOLTEN STATE; A ROTATING FUNNEL-SHAPED RECEPTACLE LOCATED BENEATH THE BAR END FOR RECEIVING THE MELTED MATERIAL FLOWING THEREFROM THROUGH A SPACE BETWEEN THE HEATING COILS; ANOTHER CONICAL HEATING COIL FOR MAINTAINING THE MELTED MATERIAL IN THE RECEPTACLE IN A MOLTEN STATE SO THAT A SINGLE CRYSTAL SEED MAY BE INSERTED INTO THE MELT TO PULL A SINGLE CRYSTAL ROD THEREFROM. BY FEEDING THE POLY CRYSTAL MATERAIL TO THE MELT AT A PREDETERMINED RATE WHILE THE ROTATING SINGLE CRYSTAL SEED IS BEING RETRACTED AT A PREDETERMINED RATE A SINGLE CRYSTAL ROD OF ANY DESIRED DIAMETER MAY BE PRODUCED, WHILE REQUIRING LESS HEAT IMPUT FOR PRODUCING AND MAINTAINING A MELT THAN IN PRIOR DEVICES OF THIS TYPE BY VIRTUE OF THE ARRANGEMENT OF THE HEATING COILS.

公开(公告)号：US2675414A

公开(公告)日：1954-04-13

申请号：US26257951

申请日：1951-12-20

Applicant: CAPITA EMIL R

Inventor： CAPITA EMIL R

IPC: H05B6/26

CPC classification number: H05B6/26

公开(公告)号：US2484332A

公开(公告)日：1949-10-11

申请号：US55344244

申请日：1944-09-09

Applicant: CAPITA EMIL R

Inventor： CAPITA EMIL R

IPC: H01J65/04

CPC classification number: H01J65/042

公开(公告)号：US2300101A

公开(公告)日：1942-10-27

申请号：US39349141

申请日：1941-05-14

Applicant: CAPITA EMIL R

Inventor： CAPITA EMIL R

IPC: H01J17/00 ,  H03B11/02

CPC classification number: H03B11/02 ,  H01J17/00 ,  H01J2893/0059