1. A na-eji ya dị ka ihe ntọhapụ ebu maka silicon polycrystalline na otu kristal silicon quartz crucible.Na-egbochi mgbidi dị n'ime nke crucible ka ọ ghara ịrapagidesi ike na ihe siliki a wụrụ awụ, mee ka ọ daa mbà, ma n'otu oge ahụ mee ihe dị ka ihe mgbochi mgbochi iji hụ na ịdị ọcha nke ihe silicon.A na-eji ntụ ntụ silicon nitride nke anyanwụ mee ihe dị ka onye na-ewepụta ebu ma fesa n'elu ime polysilicon ingot crucible, nke bụ ngwaahịa dị mkpa maka mmepụta nke polysilicon ingot.

2. A na-eji silicon nitride mee ihe dị ka ihe na-eme ka ọ dị elu.Dịka ọmụmaatụ, a na-eji SI3N4-SIC refractory na ahụ ọkụ ọkụ na akụkụ ndị ọzọ na nkwado sic;mgbe ejiri ya na BN dị ka ihe SI3N4-BN, a na-eji ya na mgbanaka nkewa na-aga n'ihu na-aga n'ihu.