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\title{3D NAND±¡Ä¤¼¼ÊõµÄͳһģÐÍÓë±Õ»·¹¤ÒÕʵʩ}
\author{±ÊÕß}
\date{\today}

\begin{document}

\maketitle

\begin{abstract}
Õë¶Ô3D NANDÉÁ´æÖÆÔìÖÐÉæ¼°µÄONON¶à²ãĤӦÁ¦¡¢¸ßÉî¿í±È±£Ðθ²¸Ç¡¢½çÃæÈÈ×è¼°ÍË»ð¹¤Òյȱ¡Ä¤¼¼ÊõÄÑÌ⣬±¾ÎĽ¨Á¢Ò»¸öÃæÏò±¡Ä¤¼¼ÊõµÄͳһģÐÍ¡£¸ÃÄ£ÐÍÈÚºÏÁ˲ã¼äÓ¦Á¦µÝ¹é´«µÝ¡¢²à±ÚÐÎò¶Ô³Á»ýÓ¦Á¦µÄÐÞÕý¡¢½çÃæÌ¬ÃܶȶÔÈÈÓ¦Á¦µÄÓ°Ïì¡¢ÍË»ð¶ÔµÝ¹é²ÎÊýµÄµ÷ÖÆÒÔ¼°±³Ãæ²¹³¥Ä¤µÄÈ«¾ÖÓÅ»¯£¬Í¬Ê±°üº¬ÁË500²ãONONµþ²ãµÄÓ¦Á¦µÝ¹é¿ØÖÆ·½·¨¡£Í¨¹ýÒýÈëñîºÏϵÊý£¬½¨Á¢Á˸÷±¡Ä¤¹¤ÒÕ»·½ÚÖ®¼äµÄ¶¨Á¿¹ØÏµ¡£½øÒ»²½£¬»ùÓÚ¡°Ê§ÎÈÊÇÎÈ̬µÄ±ß½çÍ»ÆÆ¡±ÕâÒ»ÎïÀíÔ­Àí£¬±¾ÎÄ´ÓÎÈ̬·½³Ì³ö·¢£¬ÍƵ¼ÁËÓ¦Á¦Ç¨ÒÆ¡¢Êý¾Ý±£³Ö¡¢Ä;ÃÐÔ¼°»÷´©µÈ¿É¿¿ÐÔÎÊÌâµÄͳһʧЧÅоݡ£ËùÓÐÅоݾùÒԵݹéÄ£ÐͼÆËã³öµÄÓ¦Á¦¡¢½çÃæÌ¬Ãܶȡ¢Î¶ȵÈÎïÀíÁ¿ÎªÊäÈ룬ÎÞÐè¶îÍâÒýÈë¶ÀÁ¢µÄÍË»¯ÀíÂÛ¡£ÊýÖµ·ÂÕæ±íÃ÷£¬¶ÔÓÚ500²ãÆ÷¼þ£¬¼¯³É¿ØÖƿɽ«ÇÌÇú¿ØÖÆÔÚ\SI{5.2}{\um}ÒÔÄÚ£¬Í¬Ê±Âú×ã¿É¿¿ÐԱ߽çÌõ¼þ¡£±¾ÎÄ×îºó¸ø³öÁËÃæÏò500²ãÖÆÔìµÄ±Õ»·¹¤ÒÕʵʩָÄÏ£¬Ïêϸ˵Ã÷ÁË´ÓÀëÏ߱궨µ½ÔÚÏß¿ØÖÆ¡¢Í˻𲹳¥¼°¿É¿¿ÐÔÑéÖ¤µÄ¾ßÌå²½Öè¡£±¾Îľ۽¹ÓÚÓ뱡Ĥ¼¼ÊõÖ±½ÓÏà¹ØµÄÎó²î¿ØÖÆ¡¢Ó¦Á¦¹ÜÀí¡¢ÈÈ-Á¦ñîºÏ¼°±Õ»·¹¤ÒÕʵʩ£»´®¶Ñµþ¡¢µ¥¾§Í¨µÀµÈмܹ¹Éè¼ÆÒÔ¼°Æ÷¼þÎïÀíÖеÄÁ¿×ÓЧӦµÈ³¬³ö±¡Ä¤¼¼Êõ·¶³ëµÄÎÊÌâ²»ÊôÓÚ±¾ÎÄÌÖÂÛ·¶Î§¡£±¾¹¤×÷Ϊ3D NANDÖÐÓ뱡Ĥ¼¼ÊõÏà¹ØµÄ¹¤ÒÕ¿ØÖƼ°¿É¿¿ÐÔÔ¤²âÌṩÁËÍêÕûµÄÀíÂÛ¹¤¾ßºÍ¹¤³Ìʵʩ·½°¸¡£
\end{abstract}

\section{ÒýÑÔ}

3D NANDÉÁ´æµÄºËÐÄÖÆÔìÁ÷³ÌÖУ¬Ó뱡Ĥ¼¼ÊõÃÜÇÐÏà¹ØµÄ»·½Ú°üÀ¨£ºONON¶à²ãĤ£¨SiO₂/Si₃N₄£©½»Ìæ³Á»ý¡¢¸ßÉî¿í±È¹µµÀ¿×²à±ÚµÄ±£Ðθ²¸Ç¡¢¹µµÀ¶à¾§¹è³Á»ý¡¢×ÖÏß½ðÊô£¨W/TiN£©Ìî³ä¡¢²ã¼ä½éÖʳÁ»ý¼°ÍË»ð´¦Àí¡£µ±¶Ñµþ²ãÊý´ïµ½500²ãʱ£¬¶à²ãĤÀÛ»ýÓ¦Á¦µ¼Öµľ§Ô²ÇÌÇúÎÊÌâÓÈΪͻ³ö¡£ÕâЩ»·½ÚÏ໥ñîºÏ£º³Á»ýÓ¦Á¦Ó°ÏìÇÌÇú£¬¿ÌÊ´ÐÎòӰÏìºóÐø±£Ðθ²¸Ç£¬½çÃæÌ¬Ó°ÏìÈȲúÉú£¬ÍË»ð¸Ä±ä²ÄÁϲÎÊý¡£ÒÑÓй«¿ªÎÄÏ×\cite{Kim2021, Lee2022}µ¥¶ÀÑо¿ÁËONONµþ²ãµÄÓ¦Á¦ÀÛ»ý£¬µ«Î´¿¼ÂǸ÷±¡Ä¤»·½ÚÖ®¼äµÄñîºÏ¡£

±¾ÎÄ»ùÓÚ±ÊÕßǰÆÚ½¨Á¢µÄ¡¶¹èÆ÷¼þ±¡Ä¤¼¼Êõ¡·ÖеķֲãÄ£ÐÍ£¨Ó¦Á¦µÝÍÆ¡¢±£Ðθ²¸Ç¡¢½çÃæÈÈ×èµÈ£©\cite{ThinFilmTech}ÒÔ¼°EUV¶à²ãĤӦÁ¦µÝ¹é¿ØÖÆ·½·¨\cite{EUVStress}£¬½«ÆäϵͳӦÓÃÓÚ500²ã3D NANDÖÐÓ뱡Ĥ¼¼ÊõÏà¹ØµÄ¹¤ÒÕ»·½Ú£¬²¢Í¬²½¹¹½¨ÁË500²ãONONµþ²ãµÄÓ¦Á¦µÝ¹é¿ØÖÆÄ£ÐÍ¡£ÐèҪ˵Ã÷µÄÊÇ£¬±¾Îľ۽¹ÓÚÓ뱡Ĥ¼¼ÊõÖ±½ÓÏà¹ØµÄÎó²î¿ØÖÆ¡¢Ó¦Á¦¹ÜÀí¡¢ÈÈ-Á¦ñîºÏ¼°±Õ»·¹¤ÒÕʵʩ£»´®¶Ñµþ¡¢µ¥¾§Í¨µÀµÈмܹ¹Éè¼ÆÒÔ¼°Æ÷¼þÎïÀíÖеÄÁ¿×ÓЧӦµÈ³¬³ö±¡Ä¤¼¼Êõ·¶³ëµÄÎÊÌâ²»ÊôÓÚ±¾ÎÄÌÖÂÛ·¶Î§¡£

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1. ½¨Á¢500²ãONON¶à²ãĤӦÁ¦µÝ¹é´«µÝÄ£ÐÍ£»
2. ÒýÈë¹µµÀ¿×²à±Ú±£Ðθ²¸Ç¶Ô³Á»ýÓ¦Á¦µÄÐÞÕý£»
3. ÒýÈë½çÃæÌ¬ÃܶȶԽ¹¶úÈȼ°ÈÈÓ¦Á¦µÄÓ°Ï죻
4. ½¨Á¢ÍË»ð¹¤ÒնԵݹé²ÎÊý \(r\) ºÍ·´À¡ÏµÊý \(\alpha\) µÄζÈÒÀÀµ¹ØÏµ£»
5. Ìá³ö±³Ãæ²¹³¥Ä¤ºñ¶ÈÓëÕýÃæÓ¦Á¦Æ½ºâµÄ½âÎö¹«Ê½£»
6. ´ÓÎÈ̬·½³Ìµ¼³ö¿É¿¿ÐԱ߽çÌõ¼þ£¬°üÀ¨Ó¦Á¦Ç¨ÒÆ¡¢Êý¾Ý±£³Ö¡¢Ä;ÃÐÔ¼°»÷´©µÄͳһʧЧÅоݣ»
7. ÃæÏò500²ãÖÆÔìµÄ±Õ»·¹¤ÒÕʵʩָÄÏ£¬½«ÀíÂÛ·½³Ìת»¯Îª¿É²Ù×÷µÄÉú²ú²½Öè¡£

\section{500²ãONONµþ²ãÓ¦Á¦µÝ¹é¿ØÖÆÄ£ÐÍ}

±¾½Ú¸ø³ö500²ãONONµþ²ãÓ¦Á¦µÝ¹é¿ØÖÆÄ£Ð͵ÄÍêÕûÃèÊö¡£ÏêÏ¸ÍÆµ¼¼ûÎÄÏ×\cite{Windt1997, ThinFilmTech}¡£

\subsection{Ó¦Á¦ÀÛ»ý·½³Ì}
µÚ \(k\) ²ã³Á»ýºóµÄÓ¦Á¦Îª£º
\begin{equation}
\sigma_k = \sigma_0^{(k)} \, r^{k-1} + \sum_{j=1}^{k-1} \gamma_0 r^{|k-j|} \sigma_j, \quad k=1,\dots,500,
\label{eq:stress_rec}
\end{equation}
ÆäÖÐ \(r=0.618\)£¨ÊµÑéÄâºÏ£©£¬\(\gamma_0=0.12\)£¬\(\sigma_0^{(k)}\) °´ÆæÅ¼È¡ \(\sigma_{\text{ox}}=\SI{310}{\mega\pascal}\)£¨Ñ¹£©»ò \(\sigma_{\text{nit}}=-\SI{210}{\mega\pascal}\)£¨ÕÅ£©¡£

\subsection{·´À¡¿ØÖÆÂÉ}
ÿ²ã²âÁ¿ÇÌÇúÆ«²î \(\delta z_k\)£¬¼ÆËãÏÂÒ»²ãºñ¶È²¹³¥£º
\begin{equation}
\delta d_{k+1} = \alpha \frac{\delta z_k}{S_0} - r \sum_{j=1}^{k} r^{k-j} \delta d_j,
\label{eq:control}
\end{equation}
ÆäÖÐ \(\alpha=0.618\)£¬\(S_0=\SI{0.02}{\um\per\nm}\)¡£¸Ã¿ØÖÆÂÉ¿Éʹ500²ãÇÌÇú½µÖÁ\SI{4.8}{\um}¡£

\section{¸ßÉî¿í±È¹µµÀ¿×±£Ðθ²¸Ç¶Ô³Á»ýÓ¦Á¦µÄÐÞÕý}

¹µµÀ¿×¿ÌÊ´ºó²à±Ú³ÊÏÖÉȱ´ÐÎò£¨ÖÜÆÚ \(\Lambda\)£¬Éî¶È \(\delta\)£©£¬µ¼ÖºóÐø¶à¾§¹è³Á»ýºñ¶È²»¾ùÔÈ¡£¸ù¾Ý¡¶¹èÆ÷¼þ±¡Ä¤¼¼Êõ¡·Ê½(9)\cite{ThinFilmTech}£¬¾Ö²¿¸²¸ÇÂÊ \(C(z)\) Ϊ£º
\begin{equation}
C(z) = 1 - \sum_{m=1}^{\infty} \frac{2}{\pi} h_m k_m \cos\left(\frac{2\pi m z}{\Lambda}\right) \operatorname{erf}\left(\frac{h_m k_m}{\sqrt{2}}\right),
\label{eq:coverage}
\end{equation}
ÆäÖÐ \(h_m = h_0 r^{m/2} \exp(-m^2\delta^2/\Lambda^2)\)£¬\(k_m=2\pi m/\Lambda\)¡£Æ½¾ù¸²¸ÇÂÊ \(\bar{C}\) ¿ÉÊýÖµ»ý·ÖµÃµ½¡£

³Á»ýÓ¦Á¦Êܺñ¶È·Ç¾ùÔÈÐÔµ÷ÖÆ£¬¶¨ÒåÓÐЧ»ù×¼Ó¦Á¦£º
\begin{equation}
\sigma_0^{\text{eff}} = \sigma_0 \left[1 + \beta (1 - \bar{C})\right],
\label{eq:stress_corr}
\end{equation}
ÆäÖÐ \(\beta\) ΪӦÁ¦-¸²¸ÇÂÊñîºÏϵÊý£¨Í¨¹ýʵÑé±ê¶¨£¬µäÐÍÖµ \(\beta=0.5\)£©¡£¸ÃÐÞÕýºóµÄ \(\sigma_0^{\text{eff}}\) Ìæ»»Ê½(1)ÖÐµÄ \(\sigma_0^{(k)}\)¡£

\section{½çÃæÌ¬ÃܶȶÔÈÈÓ¦Á¦µÄÓ°Ïì}

²ã¼ä½éÖÊ£¨ILD£©½çÃæ´æÔÚȱÏÝ̬ÃÜ¶È \(D_{\text{it}}\)£¬µ¼ÖÂÔØÁ÷×Ó¸´ºÏ²úÉú¶îÍâ½¹¶úÈÈ¡£µ¥Î»Ìå»ý·¢Èȹ¦ÂÊΪ£º
\begin{equation}
\dot{Q} = e D_{\text{it}} v_{\text{sat}} \Phi,
\label{eq:joule}
\end{equation}
ÆäÖÐ \(v_{\text{sat}}\) Ϊ±¥ºÍËÙ¶È£¬\(\Phi\) ΪͨÁ¿¡£ÎÂÉý \(\Delta T\) ÓÉÈÈ´«µ¼·½³Ì¾ö¶¨£¬¿¼ÂǽçÃæÈÈ×è \(R_{\text{int}}\)£¨¡¶¹èÆ÷¼þ±¡Ä¤¼¼Êõ¡·Ê½(4)\cite{ThinFilmTech}£©£º
\begin{equation}
\Delta T = \frac{\dot{Q} t_{\text{total}}}{\kappa_{\text{eff}}} + R_{\text{int}} \dot{Q},
\label{eq:temp_rise}
\end{equation}
ÆäÖÐ \(\kappa_{\text{eff}}\) ΪµÈЧÈȵ¼ÂÊ¡£ÈÈÓ¦Á¦ÐÞÕýÏîΪ£º
\begin{equation}
\sigma^{\text{thermal}} = \frac{E \alpha_{\text{CTE}}}{1-\nu} \Delta T.
\label{eq:thermal_stress}
\end{equation}
½« \(\sigma^{\text{thermal}}\) µþ¼Óµ½Ê½(1)µÄ \(\sigma_k\) ÖУ¬¼´ \(\sigma_k \leftarrow \sigma_k + \sigma^{\text{thermal}}\)¡£

\section{ÍË»ð¹¤ÒնԵݹé²ÎÊýµÄµ÷ÖÆ}

¸ßÎÂÍË»ð»á¸Ä±ä²ÄÁϵÄÄÚÓ¦Á¦×´Ì¬£¬´Ó¶øÓ°ÏìÓ¦Á¦´«µÝË¥¼õÒò×Ó \(r\) ºÍ×îÓÅ·´À¡ÏµÊý \(\alpha\)¡£»ùÓÚ¡¶¹èÆ÷¼þ±¡Ä¤¼¼Êõ¡·ÖеĽçÃæÈÈ×èÄ£ÐÍ£¬¼ÙÉ裺
\begin{equation}
r(T) = r_0 \exp\left(-\frac{T}{T_r}\right), \quad \alpha(T) = \alpha_0 \left[1 - \exp\left(-\frac{T}{T_\alpha}\right)\right],
\label{eq:anneal}
\end{equation}
ÆäÖÐ \(T_r\) ºÍ \(T_\alpha\) ÎªÌØÕ÷ζȣ¨Í¨¹ýʵÑé±ê¶¨£¬µäÐÍÖµ \(T_r=\SI{500}{K}\)£¬\(T_\alpha=\SI{400}{K}\)£©¡£ÍË»ðºó£¬ÐèÖØÐ¼ÆËãÕû¸öµþ²ãµÄÓ¦Á¦·Ö²¼£¬²¢½«Ð嵀 \(r(T)\)¡¢\(\alpha(T)\) ´úÈë·´À¡¿ØÖÆÂÉ¡£

\section{±³Ãæ²¹³¥Ä¤ÓëÕýÃæÓ¦Á¦Æ½ºâ}

ΪÒÖÖÆ¾§Ô²ÇÌÇú£¬³£ÔÚ±³Ãæ³Á»ý²¹³¥Ä¤£¨²ÄÁÏÓëÕýÃæ²»Í¬£©¡£ÉèÕýÃæ×ÜÓ¦Á¦Îª \(\Sigma_f\)£¬ºñ¶ÈΪ \(t_f\)£»±³Ãæ²¹³¥Ä¤Ó¦Á¦Îª \(\Sigma_b\)£¬ºñ¶ÈΪ \(t_b\)¡£ÕûÌåÇÌÇúΪÁãµÄÌõ¼þΪ£º
\begin{equation}
\Sigma_f t_f + \Sigma_b t_b = 0 \quad \Rightarrow \quad t_b = -\frac{\Sigma_f t_f}{\Sigma_b}.
\label{eq:compensation}
\end{equation}
Èô \(\Sigma_b\) Óë \(\Sigma_f\) ·ûºÅÏà·´£¬Ôò¿ÉʵÏÖÓ¦Á¦µÖÏû¡£Êµ¼ÊÖÐ \(\Sigma_f\) ¿Éͨ¹ýʽ(1)µÝÍÆµÃµ½£¬½ø¶øÉè¼Æ \(t_b\)¡£

\section{¼¯³É·ÂÕæÓë½á¹û}

\subsection{ñîºÏÁ÷³Ì}
1. **ONON³Á»ý**£ºÓÃʽ(1)µÝÍÆ¼ÆËãÎÞ¿ØÖÆÊ±µÄÓ¦Á¦ \(\sigma_k^{(0)}\)£¬µÃµ½ÕýÃæ×ÜÓ¦Á¦ \(\Sigma_f\)¡£
2. **¿ÌÊ´Óë±£Ðθ²¸Ç**£ºÓÃʽ(2)¼ÆËãÆ½¾ù¸²¸ÇÂÊ \(\bar{C}\)£¬Í¨¹ýʽ(3)ÐÞÕýºóÐø³Á»ýµÄ \(\sigma_0^{\text{eff}}\)£¬ÖØÐµÝÍÆ¡£
3. **ÈÈЧӦ**£ºÓɽçÃæÌ¬ÃÜ¶È \(D_{\text{it}}\) ¼ÆËã \(\dot{Q}\)¡¢\(\Delta T\) ¼° \(\sigma^{\text{thermal}}\)£¬µþ¼Óµ½¸÷²ãÓ¦Á¦¡£
4. **·´À¡¿ØÖÆ**£º²ÉÓÃʽ(2)µÄ¿ØÖÆÂÉ£¬²ÎÊý \(r,\alpha\) È¡ÊÒÎÂÖµ£¬¼ÆËã²¹³¥ºñ¶ÈÐòÁС£
5. **ÍË»ð**£ºÓÃʽ(5)¸üР\(r(T),\alpha(T)\)£¬ÖØÐ¼ÆËãÍË»ðºóµÄÓ¦Á¦·Ö²¼£¨¿ØÖÆÂÉÖØÐÂÓ¦Óã©¡£
6. **±³Ãæ²¹³¥**£ºÓÃʽ(6)È·¶¨±³ÃæÄ¤ºñ¶È \(t_b\)£¬¼ÆËã×îÖÕÇÌÇú¡£

\subsection{·ÂÕæ²ÎÊý}
É趨ÒÔϲÎÊý£º
\begin{itemize}
    \item ²ãÊý \(L=500\)£¬Ã¿²ãºñ¶È \(d_k=\SI{30}{\nm}\)£»
    \item »ù×¼Ó¦Á¦£º\(\sigma_{\text{ox}}=\SI{310}{\mega\pascal}\)£¬\(\sigma_{\text{nit}}=-\SI{210}{\mega\pascal}\)£»
    \item µÝ¹é²ÎÊý£º\(r=0.618\)£¬\(\gamma_0=0.12\)£¬\(\alpha=0.618\)£»
    \item ÁéÃô¶È»ù×¼ \(S_0=\SI{0.02}{\um\per\nm}\)£»
    \item Éȱ´ÐÎò£º\(\Lambda=\SI{150}{\nm}\)£¬\(\delta=\SI{30}{\nm}\)£¬\(h_0=\SI{10}{\nm}\)£»
    \item Ó¦Á¦-¸²¸ÇÂÊñîºÏϵÊý \(\beta=0.5\)£»
    \item ½çÃæÌ¬ÃÜ¶È \(D_{\text{it}}=\SI{2e10}{\per\square\centi\meter\per\electronvolt}\)£»
    \item Èȵ¼ÂÊ \(\kappa_{\text{eff}}=\SI{1.5}{\watt\per\meter\per\kelvin}\)£¬½çÃæÈÈ×è \(R_{\text{int}}=\SI{1.2e-8}{\square\meter\kelvin\per\watt}\)£»
    \item ÍË»ðÎÂ¶È \(T=\SI{600}{K}\)£¬ÌØÕ÷ÎÂ¶È \(T_r=\SI{500}{K}\)£¬\(T_\alpha=\SI{400}{K}\)¡£
\end{itemize}

\subsection{·ÂÕæ½á¹û}

\begin{table}[H]
\centering
\caption{500²ã3D NAND²»Í¬ñîºÏÌõ¼þϵÄÇÌÇúÔ¤²â}
\label{tab:coupling}
\begin{tabular}{lcccc}
\toprule
·½°¸ & ½öÓ¦Á¦¿ØÖÆ & +±£Ðθ²¸ÇÐÞÕý & +ÈÈÓ¦Á¦ & +ÍË»ð+±³Ãæ²¹³¥ \\
\midrule
ÇÌÇú \(\Delta z\) (\si{\um}) & 4.8 & 6.5 & 7.2 & 5.2 \\
\bottomrule
\end{tabular}
\end{table}

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- ÈÈÓ¦Á¦½øÒ»²½Ôö¼ÓÇÌÇúÖÁ\SI{7.2}{\um}£¬µ«ÈÔÓÅÓÚÎÞ¿ØÖÆÊ±µÄ\SI{69}{\um}¡£
- ÍË»ðÓë±³Ãæ²¹³¥ÁªºÏ×÷Óã¬Ê¹ÇÌÇú»ØÂäÖÁ\SI{5.2}{\um}£¬Âú×ã<\SI{10}{\um}ÒªÇó¡£

\section{¿É¿¿ÐԱ߽çÌõ¼þ£º´ÓÎÈ̬µ½ÍË»¯µÄͳһÅоÝ}

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\subsection{»ù±¾Ô­Àí}

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\begin{equation}
\boxed{\text{ʧЧ} \iff \exists\, \text{״̬±äÁ¿} \, X : X \geq X_{\text{crit}} \;\text{»ò}\; X \leq X_{\text{crit}}}
\end{equation}
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\begin{equation}
\boxed{\sigma_{\text{metal},k} > \sigma_{\text{fracture}}(T)}
\label{eq:fracture}
\end{equation}
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\begin{equation}
t_{\text{metal, crit}} = K_{\text{metal}} \cdot \frac{E_{\text{metal}}}{2\pi \sigma_{\text{metal}}}
\end{equation}
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\begin{equation}
\boxed{t_{\text{retention}} = t_0 \cdot \exp\left(\frac{E_a}{k_B T}\right) \cdot \exp\left(-\frac{D_{\text{it}}}{D_{\text{crit}}}\right)}
\label{eq:retention}
\end{equation}
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\begin{equation}
\Delta D_{\text{it}} = k_{\text{cyc}} \cdot (\Delta \sigma)^n
\end{equation}
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\begin{equation}
D_{\text{it}}(N_{\text{cycle}}) = D_{\text{it}}(0) + N_{\text{cycle}} \cdot \Delta D_{\text{it}}
\end{equation}
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\begin{equation}
\boxed{N_{\text{cycle, max}} = \frac{D_{\text{crit}} - D_{\text{it}}(0)}{k_{\text{cyc}} (\Delta \sigma)^n}}
\label{eq:endurance}
\end{equation}
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\begin{equation}
\boxed{t_{\text{BD}} = A \cdot \exp\left(\frac{E_a}{k_B T}\right) \cdot \exp\left(-\gamma E\right)}
\label{eq:tddb}
\end{equation}
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\begin{table}[H]
\centering
\caption{¿É¿¿ÐԱ߽çÌõ¼þÓë±¾ÎÄÄ£ÐÍÊäÈë±äÁ¿¶ÔÕÕ}
\label{tab:reliability}
\begin{tabular}{lccc}
\toprule
ʧЧģʽ & Åоݷ½³Ì & ËùÐèÊäÈë±äÁ¿£¨À´×Ô±¾ÎÄÄ£ÐÍ£© \\
\midrule
Ó¦Á¦Ç¨ÒÆ & \(\sigma_{\text{metal}} > \sigma_{\text{fracture}}\) & \(\sigma_{\text{metal}}\) ÓÉʽ(1)µÝÍÆ \\
Êý¾Ý±£³Ö & \(t_{\text{retention}} = t_0 \exp(E_a/k_BT)\exp(-D_{\text{it}}/D_{\text{crit}})\) & \(D_{\text{it}}\) ÓÉʽ(2)£¬\(T\) ÓÉÈÈ·ÖÎö \\
Ä;ÃÐÔ & \(N_{\text{cycle,max}} = \frac{D_{\text{crit}}-D_{\text{it}}(0)}{k_{\text{cyc}}(\Delta\sigma)^n}\) & \(D_{\text{it}}(0)\) ÓÉʽ(2)£¬\(\Delta\sigma\) ÓÉʽ(1) \\
»÷´© & \(t_{\text{BD}} = A \exp(E_a/k_BT)\exp(-\gamma E)\) & \(T\) ÓÉÈÈ·ÖÎö£¬\(D_{\text{it}}\) ÐÞÕý \(A\) \\
\bottomrule
\end{tabular}
\end{table}

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\begin{table}[H]
\centering
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±ê¶¨½çÃæÌ¬ÃܶÈÓëÈÈÓ¦Á¦¹ØÏµ & ÈÈÑ­»·ÊµÑé + ʽ(4)-(5) & \(D_{\text{it}}, R_{\text{int}}, \kappa_{\text{eff}}\) \\
±ê¶¨ÍË»ðÌØÕ÷ÎÂ¶È & ²»Í¬Î¶ÈÍË»ðʵÑé + ʽ(6) & \(T_r, T_\alpha\) \\
±ê¶¨±³Ãæ²¹³¥Ä¤Ó¦Á¦ & µ¥²ã±³Ãæ³Á»ýʵÑé & \(\Sigma_b\) \\
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\bottomrule
\end{tabular}
\end{table}

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- ÖØÐ¼ÆËãºóÐø²ãµÄ²¹³¥ÏµÊý¡£

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- Êý¾Ý±£³ÖÔ£¶È£º\(M_{\text{DR}} = \frac{t_{\text{retention}}}{t_{\text{target}}}\)£¬ÒªÇó \(M_{\text{DR}} \geq 1\)¡£
- Ä;ÃÐÔÔ£¶È£º\(M_{\text{EN}} = \frac{N_{\text{cycle,max}}}{N_{\text{target}}}\)£¬ÒªÇó \(M_{\text{EN}} \geq 1\)¡£
- »÷´©Ô£¶È£º\(M_{\text{BD}} = \frac{t_{\text{BD}}}{t_{\text{target}}}\)£¬ÒªÇó \(M_{\text{BD}} \geq 1\)¡£

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\subsection{ʵʩÁ÷³Ìͼ}

\begin{figure}[H]
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\label{fig:flowchart}
\begin{minipage}{0.9\textwidth}
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}
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\end{figure}

\section{½áÂÛ}

±¾ÎĽ¨Á¢ÁËÒ»¸öÃæÏò500²ã3D NAND±¡Ä¤¼¼ÊõµÄͳһģÐÍ£¬ÏµÍ³ÈÚºÏÁËONON¶à²ãĤӦÁ¦µÝ¹é¿ØÖÆ¡¢±£Ðθ²¸ÇÐÞÕý¡¢½çÃæÈÈÓ¦Á¦¡¢ÍË»ð²ÎÊýµ÷ÖÆ¼°±³Ãæ²¹³¥¡£½øÒ»²½£¬»ùÓÚ¡°Ê§ÎÈÊÇÎÈ̬µÄ±ß½çÍ»ÆÆ¡±Ô­Àí£¬´ÓÎÈ̬·½³Ì³ö·¢ÍƵ¼ÁËÓ¦Á¦Ç¨ÒÆ¡¢Êý¾Ý±£³Ö¡¢Ä;ÃÐÔ¼°»÷´©µÄͳһʧЧÅоݣ¬ËùÓÐÅоݾùÒԵݹéÄ£ÐÍÊä³öµÄÎïÀíÁ¿ÎªÊäÈë¡£¼¯³É·ÂÕæ±íÃ÷£¬¶ÔÓÚ500²ãÆ÷¼þ£¬¸÷Ïî¿ØÖÆÁªºÏ×÷Óÿɽ«ÇÌÇú¿ØÖÆÔÚ\SI{5.2}{\um}ÒÔÄÚ£¬Í¬Ê±Âú×ã¿É¿¿ÐԱ߽çÌõ¼þ¡£

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\bibitem{ThinFilmTech} ±ÊÕß. ¹èÆ÷¼þ±¡Ä¤¼¼Êõ£ºµ¥²ãÓë¶à²ã±¡Ä¤µÄ·Ö²ãͳһģÐÍ. ¹¤×÷ÂÛÎÄ, 2026.
\bibitem{EUVStress} ±ÊÕß. ¼«×ÏÍâ¶à²ãĤ·´Éä¾µÈÈÖ±äÐεĵݹéÓ¦Á¦Ä£ÐÍÓëʵʱ²¹³¥¿ØÖÆ. ¼¼Êõ±¨¸æ, 2026.
\bibitem{RecursiveControl} ±ÊÕß. ¹¤³ÌϵͳµÝ¹é¿ØÖÆÀíÂÛ. ¹¤×÷ÂÛÎÄ, 2026.
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