US 12,071,705 B2
Crucible molds
Richard Joseph Phillips, St. Peters, MO (US); Salvador Zepeda, St. Peters, MO (US); Patrick Fredrick Boegemann, III, St. Peters, MO (US); and William Luter, St. Charles, MO (US)
Assigned to GlobalWafers Co., Ltd., Hsinchu (TW)
Filed by GlobalWafers Co., Ltd., Hsinchu (TW)
Filed on Apr. 1, 2022, as Appl. No. 17/711,666.
Application 17/711,666 is a continuation of application No. 16/796,482, filed on Feb. 20, 2020, granted, now 11,377,751.
Application 17/711,666 is a continuation of application No. 16/796,522, filed on Feb. 20, 2020, granted, now 11,326,271.
Prior Publication US 2022/0228292 A1, Jul. 21, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. C30B 15/00 (2006.01); B22C 9/00 (2006.01); B28B 1/00 (2006.01); B28B 1/26 (2006.01); B28B 7/00 (2006.01); B28B 7/16 (2006.01); C04B 35/00 (2006.01); C04B 38/00 (2006.01); C30B 15/10 (2006.01); C30B 15/12 (2006.01); C30B 29/06 (2006.01); C30B 35/00 (2006.01)
CPC C30B 15/10 (2013.01) [B22C 9/00 (2013.01); B28B 1/261 (2013.01); B28B 7/16 (2013.01); C04B 38/00 (2013.01); C30B 15/002 (2013.01); C30B 15/12 (2013.01); C30B 29/06 (2013.01); C30B 35/002 (2013.01); C04B 2235/3418 (2013.01); C04B 2235/6027 (2013.01); C04B 2235/606 (2013.01); C04B 2235/656 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A crucible mold comprising:
a lower portion; and
an upper portion disposed above the lower portion, the upper portion forming:
a central weir channel;
an inner weir channel;
a central weir channel riser that extends through the upper portion and is in fluid communication with the central weir channel;
an inner weir channel riser that extends through the upper portion and is in fluid communication with the inner weir channel; and
an outer sidewall channel riser that extends through the upper portion, wherein the central weir channel riser, the inner weir channel riser, and the outer sidewall channel riser extend through an upper surface of the crucible mold; and
wherein the upper portion and lower portion togetherform:
a bottom channel; and
a sidewall channel fluidly connected to the bottom channel and in fluid communication with the outer sidewall channel riser, wherein the central weir channel and inner weir channel extend from the bottom channel and the sidewall channel, the central weir channel, and the inner weir channel are interconnected.