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 B. ÇÕ¼º °øÁ¤°ú Á¦Ç° (Synthetic Processes and Products)

 3. Czochralski or Pulling Method (Czochralski ¶Ç´Â ÀÎÃâ¹æ¹ý)

1) Developed in 1918 by Czochralski.

2) Method

   a) Similar to flame fusion

   b) Boule pulled upward out of a crucible with the powdered material

   c) Boule is on a rotating rod with a seed crystal

3) Characteristic inclusions

    a) Same as flame fusion

    b) Generally flawless

4) Materials synthesized (inexpensive) 

1) 1918³â Czochralski°¡ °³¹ß

2) ¹æ¹ý

   a) È­¿°¿ëÀ¶°ú ºñ½ÁÇÔ

   b) ºÐ¸»Àç·á°¡ ÀÖ´Â µµ°¡´Ï·ÎºÎÅÍ À§·Î ÀÎÃâµÈ ÇÕ¼º¿ø¼®

   c) ÇÕ¼º¿ø¼®Àº Á¾ÀÚ°áÁ¤À» Áö´Ñ ȸÀüÇÏ´Â ºÀ¿¡ ³õÀÓ

3) ƯÀ¯ÀÇ ³»Æ÷¹°µé

   a) È­¿°¿ëÀ¶°ú °°À½

   b) ÀϹÝÀûÀ¸·Î ÈìÀÌ ¾øÀ½

4) ÇÕ¼ºµÇ´Â ¹°Áúµé (ºñ½ÎÁö ¾ÊÀ½) 

Forsterite, Tanzanite look-alike

Alexandrite (Chrysoberyl)

Corundum Red Ruby

 

Corundum Orange-Pink Padparadscha

Pulled Lithium Niobite (¡°Linobate¡±)
Pulled method grown colorless diamond imitation.

 

Pulled Lithium Tantalite
Pulled method grow diamond imitation with some yellowish tint.

 

Stepanov Pulled Leucosapphire

 

 3. Czochralski or Pulling Method (Czochralski ¶Ç´Â ÀÎÃâ¹æ¹ý)

 B. ÇÕ¼º °øÁ¤°ú Á¦Ç° (Synthetic Processes and Products)

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