125page

119 ^1133 ell0lrl =+ qlE "Jq+4. = , E9l"I 6Julg9 "Jz-zl EqAg oI, +tI €+ql E6Iq *rl *os+El Bqa++ *sq, olgl ae +E zlolql E6Iq 4t"l 4l6Jq= 4"1 q. (a), (b)E A += 7+7+ 7l iI +tI "t . _q iI 4t"l4r 6JtrI. Hls.;1 *AE E+E +"Je -z^l +tql E6Iq olF"l+lr+. ,;I 4t"l "lF9 .Zl q E zl ^tl4 .-4;I +qlql Hl6Iq q zlzl rJ E*e =zJo) Zti"lzl oI ++. a- 4 as-tr.= XzXE, +tlg 6171 9+ gtEE tsErlolz| f$allo| 6'Iq,54e= E +E flx}9 "lt.ol dal ol+qzlE+ 6171 9l .J +E+ qlLl,ZlT} qlqoi ++ ol= 9l6}q +ll ol49 -s.Eql 4t^l zlt-zy 6l= EfgE r+E +Eg "JE9 aa,:z F +g gEql^-l +E+ ^lZlE"J .;zlrl4 +E qtlol TI6J€tr+. uf. 4a 4tr nB Etgol s.+qq 9l= d4= +ll olul4l t:zB 3-321e+ Aol p€ Bf,gg + "JrlzlE, a_ aalEql^] p€4 n€9 d'J€ _s*ol €^d€trI. ol Eg p-n d*ol ?+ 6Ia ol zlt +4= p-n ulol-gs +4+a- 6J+. r4r [:zB 3-33]ql^]rlH p € € Eql r4rl n€ E+Eg +"J^l7lE p-ndaJol F *ql^.1 t(rAzlAl qq, ol alaJ +4= n-p-n = ilzl^El € +zq +q. *t"14 Etg p€ Ets n€ Ef,E-g g,q+ Xql 4'J+ 4"l"JE i"Jrlzl= r+ 4e=-.r-1 [:B 3-32]e+ ag p-n dEtE "JEzl 916ll^1, E= a- slql ++o.J +E -a^J ^I+€+.6I+E Hls.;1 rz}= zl+6171 +l6X^j= +i}4l E= a- ol+el + t *eol 9,ra1q, _H-E 1000c .Iqel =g gEql^-l ol+gTltrI. rg 3-32 p-n trfolP= tr|. Eftf =+ (1) +4+t}(predeposition) +tI *A ql^'l= +"J q = Ef,Eg .Jr+ + B,az1 91tr1. d4l Ell+EE +t=L4e ol+q 4ltr}. :.aJ 3-33 n-p-n rfolgc +E q 91l4ol9 24g^ {qfl ;lol ol e+ ,J+ +4 g 9l6}q z+zlql ,J 4 ^ -J nB n€