"\uFEFF\uBD88\uC21C\uBB3C\uBC18\uB3C4\uCCB4\uB294 \uBC18\uB3C4\uCCB4\uC758 \uD55C \uC885\uB958\uC774\uB2E4. \uC678\uC778\uC131 \uBC18\uB3C4\uCCB4 (extrinsic semiconductor)\uB77C\uACE0\uB3C4 \uD55C\uB2E4. \uC21C\uC218\uD55C \uC9C4\uC131\uBC18\uB3C4\uCCB4\uC5D0 \uBD88\uC21C\uBB3C (\uB3C4\uD380\uD2B8)\uB97C \uC18C\uB7C9\uCCA8\uAC00 (\uB3C4\uD551)\uD55C \uAC83\uC774\uB2E4. \uB3C4\uD551\uD558\uB294 \uC6D0\uC18C\uC5D0 \uC758\uD558\uC5EC \uCE90\uB9AC\uC5B4\uAC00 \uD640\uC778 P\uD615 \uBC18\uB3C4\uCCB4, \uCE90\uB9AC\uC5B4\uAC00 \uC804\uC790\uC778 N\uD615 \uBC18\uB3C4\uCCB4\uB97C \uC5BB\uC744 \uC218 \uC788\uB2E4. \uCE90\uB9AC\uC5B4\uC758 \uC885\uB958\uB294 \uBD88\uC21C\uBB3C \uC6D0\uC18C\uC758 \uCD5C\uC678\uAC01\uC804\uC790\uC218\uC5D0 \uC758\uC874\uC801\uC774\uBA70, \uCD5C\uC678\uAC01\uC804\uC790\uAC00 4\uBCF4\uB2E4 \uD074 \uACBD\uC6B0\uB294 N\uD615 \uBC18\uB3C4\uCCB4, \uCD5C\uC678\uAC01\uC804\uC790\uAC00 4\uBCF4\uB2E4 \uC791\uC744 \uACBD\uC6B0\uB294 P\uD615 \uBC18\uB3C4\uCCB4\uAC00 \uB41C\uB2E4. \uBC18\uB3C4\uCCB4\uC758 \uD55C\uC885\uB958\uC778 \uADDC\uC18C\uB97C \uC608\uB85C \uB4E4\uBA74, \uBE44\uC18C, \uC778\uC758 \uACBD\uC6B0\uC5D0\uB294 N\uD615 \uBC18\uB3C4\uCCB4, \uBD95\uC18C\uC758 \uACBD\uC6B0\uC5D0\uB294 P\uD615 \uBC18\uB3C4\uCCB4\uAC00 \uB41C\uB2E4."@ko . . "\uFEFF\uBD88\uC21C\uBB3C\uBC18\uB3C4\uCCB4\uB294 \uBC18\uB3C4\uCCB4\uC758 \uD55C \uC885\uB958\uC774\uB2E4. \uC678\uC778\uC131 \uBC18\uB3C4\uCCB4 (extrinsic semiconductor)\uB77C\uACE0\uB3C4 \uD55C\uB2E4. \uC21C\uC218\uD55C \uC9C4\uC131\uBC18\uB3C4\uCCB4\uC5D0 \uBD88\uC21C\uBB3C (\uB3C4\uD380\uD2B8)\uB97C \uC18C\uB7C9\uCCA8\uAC00 (\uB3C4\uD551)\uD55C \uAC83\uC774\uB2E4. \uB3C4\uD551\uD558\uB294 \uC6D0\uC18C\uC5D0 \uC758\uD558\uC5EC \uCE90\uB9AC\uC5B4\uAC00 \uD640\uC778 P\uD615 \uBC18\uB3C4\uCCB4, \uCE90\uB9AC\uC5B4\uAC00 \uC804\uC790\uC778 N\uD615 \uBC18\uB3C4\uCCB4\uB97C \uC5BB\uC744 \uC218 \uC788\uB2E4. \uCE90\uB9AC\uC5B4\uC758 \uC885\uB958\uB294 \uBD88\uC21C\uBB3C \uC6D0\uC18C\uC758 \uCD5C\uC678\uAC01\uC804\uC790\uC218\uC5D0 \uC758\uC874\uC801\uC774\uBA70, \uCD5C\uC678\uAC01\uC804\uC790\uAC00 4\uBCF4\uB2E4 \uD074 \uACBD\uC6B0\uB294 N\uD615 \uBC18\uB3C4\uCCB4, \uCD5C\uC678\uAC01\uC804\uC790\uAC00 4\uBCF4\uB2E4 \uC791\uC744 \uACBD\uC6B0\uB294 P\uD615 \uBC18\uB3C4\uCCB4\uAC00 \uB41C\uB2E4. \uBC18\uB3C4\uCCB4\uC758 \uD55C\uC885\uB958\uC778 \uADDC\uC18C\uB97C \uC608\uB85C \uB4E4\uBA74, \uBE44\uC18C, \uC778\uC758 \uACBD\uC6B0\uC5D0\uB294 N\uD615 \uBC18\uB3C4\uCCB4, \uBD95\uC18C\uC758 \uACBD\uC6B0\uC5D0\uB294 P\uD615 \uBC18\uB3C4\uCCB4\uAC00 \uB41C\uB2E4."@ko . . . "\uBD88\uC21C\uBB3C \uBC18\uB3C4\uCCB4"@ko . .