laporan hasil uji tcfm undip.xlsx
TRANSCRIPT
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MAMMOGRAPHY UNITACCEPTANCE & EPA COMPLIANCE TESTING R
BreastScreen, St George HospitaBegra!e Street, "ogara#, NS$ %%'
GE Essentia
EPA Registration N()*er+ %-.
Roo)
/0/0%%
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1enn2 3i44e2
$est)ea5 Hospita+ Me5ica P#2sics 3epart)ent
$est)ea5 NS$ %-6
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EPORT
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7ORM B+ ME3ICAL PHYSICIST8S MAMMOGRAPHY 9C TEST SUMMARY
Site BreastScreen, St George Hospital Report 3ate 13!ar12
S(r!e2 3ate 13!ar12
:;Ra2 Unit Man(4act(rer G" Mo5e #13$128
Seria< #73#22B%03etector Man(4act(rer Mo5e
3ate o4 Instaation SeriaaA = O
% Peng(i 2ang BerD(ai4iDasi
a+ Nama nstit6si = raining enter
b+ Nama ersonil eng6Ki = S6r(ono an.a
c+ Nomor n.6 ersonil eng6Ki =
.+ anggal eng6Kian = 1920 4pril 2013
3ata 7asiitas
a+ @oasinstalasi = &a.iologi
b+ NamaNo &6ang = &6ang %nit &a.iologi
c+ '6mlah esaateg6naan = 1 6nit 1D &a.iogra*i
2D )ental
3D !ammogra*i
$D Sinar - mobile
.+ eriraan @6as &6angan = blm .i66r cm A blm .i66r cm A blm .i66r cm (p x l x t)
e+ @ing6ngan Seitar &6ang = iri ori.or anan ling6n
)epan an 6Ki ebocoran ase Belaang ling6n
4tas r6angan Baah tan
*+ '6mlah 4pron = 1 b6ah (ang .ig6naan prati6mD
% 3ata Pesa>at Ra5iogra4i
a+ )ata omponen Generator nsert Ho6sing oli
emb6at!ere = Siemens
!o.elipe = 6ltiA 837#0$0 G 210
No+ Seri = 03871 S 07
anggal emb6atan =
b+ Sistem encitraanPD =
c+ >ilter PD = erbaca etap baaan = mm, materialPD = 4l+++
tambahan = 0+0# L 0+1 mm, materialPD = 4l+++ pa.a ;
1L2 mm, materialPD = 4lQ pa.a 5
Vp interloc pa.a *ilterPD = erse.ia i.a
.+ %6ran >oal Spot = ecil = mm, Besar = mm
e+ osisi >ocal SpotPD = )iberi tan.a i.a
*+ 4no.aPD = F Q
g+ on.isi masim6m = 9 Vp alt t. se.ian m4 12+# m4s (g ami g
h+ S) = etap 100 cm Variasi 0 s+. 0
i+ 4larm en(inaranPD = 46.io Vis6al
K+ ombol en(inaranPD = langs6ng tertempel .i alat
+ 4"PD = )ig6naani.a .ig6naani.a a.a
B IN7ORMASI UMUM PESA$AT
>ilm&)&
Deadman abel panKang
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PD coret (ang ti.a ses6ai
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angan
an l6ar
an l6ar
ah
ator
Vp
Vp
6naan
mm
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3ATA U1I TE"NIS
A "oi)asi BerDas Ca#a2a
I()inasi Ca#a2a L(@
osisi= J1 J2 J3 J$ &erata= 230+7# @atar = 0 Netto= 230+7# l6A
l6minasi= 21$ 213 2$7 2$9 S))= 100 cm
4rah 6a.ran= latar = 0 , arena saat peng66ran lamp6 latar .imatian
osisi pengamat bera.a .i .epan epala sinar - mobile1 2 J1 =iri atas J3=iri baah
3 $ J2 = anan atas J$=anan baah
!aterial 4no.a
olimator cm A cmD= 12-18
en(impangan sisi 4no.a mmD 1 12
.alam / S) 1+0 12+0
en(impangan sisi ato.a mmD # 12
.alam / S) #+0 12+0
en(impangan sisi atas mmD 0 18
.alam / S) 0+0 18+0
en(impangan sisi baah mmD 0 18
.alam / S) 0+0 18+0
S) *o6s e *ilmimaging plate
S) *o6s e B6c(en(impangan sisi 4no.a mmD
en(impangan sisi ato.a mmD
en(impangan sisi atas mmD
en(impangan sisi baah mmD
en(impangan sisi 4no.a cmD 0+3
.alam / S)0+3
en(impangan sisi ato.a cmD 0+
.alam / S) 0+
en(impangan sisi atas cmD 0+9
.alam / S) 0+9
en(impangan sisi baah cmD 0+#
.alam / S) 0+#
en(impangan marer atas .an baah
4rah pen(impangan ano.a
% Seisi# Lapangan "oi)asi 5engan BerDas Sinar;: Note= Nilai R Kia lapangan sinarA .il6ar lapangan caha(aD
Selisih @apangan olimasi .engan mage &eceptor Note= 6nt6 sistem )&D
/ Seisi# Lapangan BerDas Sinar;: 5engan I)age Receptor Note= Nilai R Kia lapanga
- "etegaD(r(san FiDa )e)(ngDinDan
0o 0o
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B Generator 5an Ta*(ng Sinar;: peng(ian 5engan pena)*a#an )) C(
AD(rasi 5an Repro5(Dsi*iitas Tegangan Ta*(ng
4lat 66r (ang .ig6naan Barac6..a
Nominal Vp setting ## 0 70 81 9
>ocal Spot
engesetan m4 ti.a .ietah6i
engesetan m4s 12+# engesetan Fat6 ti.a .ietah6i
eng66ran e = 1 ##+8 0 0+80 0+00 71+31 0 82+ 0 92+3 0+0
2
3
$ 71+3 82+ 92+3
# )V0M )V0M )V0M
"ror masim6m 100+0 100+0 1+3 100+0 1+9 100+0 2+0 100+0 3+9 100+0
Stan.ar. .eviation S)D )V0M )V0M
&erata ##+8 0+8 71+3 82+ 92+3
coe**icient o* variation VD )V0M )V0M
)ata .i atas mengalami error arena peng66ran han(a .ila6an 1 ali tiap Vp tanpa a.an(a
% AD(rasi 5an Repro5(si*iitas $aDt( Pen2inaran
4lat 66r (ang .ig6naan Barac6..a
Nominal mS setting 100 200 $00 1000 2000
>ocal Spot
engesetan m4 100 m4
engesetan V 70 V
eng66ran e = 1 82+33
2 82+22
3 82+
$
#
"ror masim6m 17+8 100+0 100+0 100+0 100+0 100+0 100+0 100+0 100+0 100+0
Stan.ar. .eviation S)D 0+2 )V0M
&erata 82+$ )V0M
coe**icient o* variation VD 0+00 )V0M
/ Linearitas 5an Repro5(Dsi*iitas "e(aran Ra5iasi
4lat 66r (ang .ig6naan Barrac6.a
V panel setting 0
>ocal Spot
engesetan m4
engesetan Fat6, mS
engesetan m4s
eng66ran 6G( e = 1 0+$2
2 0+$2
3 0+$1
rerata 0+#
oe*isien linearit( @D 0+0
oe**icient o* variation VD 0+0
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- Peng(D(ran HL Calculated HVL = tb ln[2Ka/Ko] - ta ln[2Kb/Ko]
ln[Ka/Kb]
4lat 66r barrac6.a>ocal spot
Nominal Vp setting 80
m4s seeting 32embacaan HV@ 2+18mm
eng66ran aparan 6G(D=
anpa tambahan 4l 139
0+0# mm 4l 11$ ta 0+#
0+1 mm 4l 1#91 tb 1
0+# mm 4l 1$2# o 139
1 mm 4l 129 a 1$2#
2 mm 4l 1028 b 129
HL #asi per#it(ngan )) 2+89
HL #asi peng(D(ran )) %? $+3$0 $+830
6 "e*ocoran >a5a# ta*(ng
Vp 9 m4s 32+00
S)) 100 cm 4r6s ontin(6
Vp maA m4s maA
osisi 4no.a ato.a 4tas )epan Belaang
@aK6 )osis %6r 6G('am $ 3 #ebocoran Hit6ng mG(Kam 0 0 0 0 0
C "en5ai paparan oto)atis AEC ti.a pernah .ipaai
Ti)er 3ar(rat
V =
%Ki 1 %Ki 2 m4 ren.ahD %Ki 3 m4 tinggiD
m4 imer m4 imer m4 m4s
% 3ensitas Stan5ar 5an Uni4or)itas
V = S)) =
imer 4bsorber
emilihan 4" 4" 1 4" 2 4"3
Vp setting
m4s seting
)ensitas :)"D
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/ PeneaDan
4lat %6r = S)) =
1+ Variasi etebalan asien
V setting ' ' ' 'm4s setting
etebalan *antom cmD 10 1# 20 2#
)ensitas :)"D
2+ Variasi V
V setting . ' ? J
m4s setting
etebalan *antom cmD 20 20 20 20
)ensitas :)"D
3+ Variasi etebalan .an V
V setting . ? %
m4s setting
etebalan *antom cmD 2# 3# 3# $0
)ensitas :)"D
- $aDt( Respon Mini)()
4lat %6r = S))=
etebalan cmD 1 2 3 $ #
V setting
m4 setting
Fat6 paparan
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3 Paparan "en5ai Oto)atis
Peng(D(ran ES3 5engan )As ses(ai AEC
ebal >antom = S)) =
4" !an6al
V setting
m4s setting
)ose mG(D
% Peng(D(ran ES3 (5ara Dinis r(tin non AEC
ebal >antom = 1# cm pmma R 1 cm S)) = 8$
@6mbal 4
4" !an6al
V setting 7# 7#
m4s setting 18 18)ose 6G(D es. 1+211 1+$0 erma
phantom no phantom
NB = ota 6ng6 bel6m .ila6an
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% Missing Tiss(e at C#est $a
hantom 4&Rtools 4" !o.e St. 46to
hantom thicness mmD $2 4" )etector position N4
mage t(pe rocesse.
>ocal spot large >ine mag 1+#D >ine mag 1+8D
mage Sie 2$A30 19A23 19A23
4no.e *ilter &h&h !o!o !o!o
Vp 29 28 28
m4s #0+9 #0 2#
)ispla(e. !G) mG(D 1+1 N4
!issing tiss6e top mmD 2+# #+#
2 #
Action Li)it+
Co))ents+
Pass07ai ass
4 n6mber o* techni strips ith a serate.e.ge on a tooth spacing o* 2 mm+ he strip is place. on the top o* $ cm !!4 aligne.ith the TeroT position *l6sh ith the chest all e.ge+ Vieing the image establishes.irectl( the eAtent o* the missing tiss6e+
!issing tiss6e bottommmD
he missing tiss6e m6st be #mm an. ; 7mm *or contact !ag mo.e, respectivel(+)iscrepancies beteen top an. bottom val6es are in.icative o* -ra( t6be *ocal spotnot being aligne. .irectl( above the chest all e.ge+ Serio6s .iscrepancies ma(re
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/ Coi)ation Assess)ent
Vp 2$ m4s 8
mage t(pe rocesse.
So6rce to image receptor .istance S)D= 0 mm
3e!iation *et>een :;ra2 4ie5 an5 ig#t 4ie5+
Note= Rve .eviation in.icates Ara( *iel. eAten.s be(on. light *iel.D
4no.e material !o !o !o
ollimator cm A cmD= 2$A30 !ag 1+# !ag 1+8
@e*t e.ge .eviation mmD 1 1
3e!iation as K o4 SI3 0+2 0+2
&ight e.ge .eviation mmD 2 0
3e!iation as K o4 SI3 0+3 0+0
Nipple e.ge .eviation mmD 0 13e!iation as K o4 SI3 0+0 0+2
hest all e.ge .eviation mmD 1 0
3e!iation as K o4 SI3 0+2 0+0
Action Li)it+
Pass07ai ass
3e!iation *et>een Lig#t 4ie5 an5 i)age receptor
Note= Rve .eviation in.icates light *iel. eAten.s be(on. image receptorD
@e*t e.ge .eviation mmD 3 1+#
&ight e.ge .eviation mmD $+# 3
Nipple e.ge .eviation mmD $ 0
hest e.ge .eviation mmD 0 0
3i44erence *et>een :;ra2 4ie5 an5 e5ge o4 i)age receptor+
Note= Rve .eviation in.icates Ara( *iel. eAten.s be(on. image receptorD
@e*t e.ge .eviation mmD $ 0+#
K o4 SI3 retain sign 0+ 0+1&ight e.ge .eviation mmD 2+# 3
K o4 SI3 retain sign 0+$ 0+#
Nipple e.ge .eviation mmD $ 1
K o4 SI3 retain sign 0+ 0+2
hest e.ge .eviation mmD 1 0
K o4 SI3 retain sign 0+2 0+0
Action Li)it+
Pass07ai ass
* the light beam an. -ra( *iel. alignment .i**er b( more than 1/ o* S) on an( margin, seeservice a.K6stment+
-ra( *iel. shall eAten. to all e.ges o* the image in contact mo.e an. to chest all in magmo.e+ * -ra( *iel. eAten.s be(on. the image receptor at an( e.ge b( more than 2/ o* S), or
i* -ra( *iel. *alls ithin image receptor on the chest all e.ge, see service a.K6stment+
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So6rce to image receptor .istance S)D= 0 mm
Note= Rve .eviation in.icates pa..le eAten.s be(on. image receptorD
>oc6s large >ine >ine
0+0 2+0
2+# 3+#
)i**erences as / o* S) mmD 0+$ 0+#
Action Li)it+
Co))ents+
Pass07ai ass
/ cont Aign)ent o4 c#est >a e5ges o4 co)pression pa55e & i)agereceptor
his test taes into acco6nt the missing tiss6e val6e est 2D+ t re
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6 I)age 9(ait2 E!a(ation
hantom 6se.= &! 1# 4ccre.itation hantom
4" .etector position= N4
mage t(pe rocesse.
Pre! I)age C(rr I)age C#ange
)ate 31#2011 3132012
4" !o.e St. 46to St. 46to
Vp setting 27 29 2
4no.e !o &h
>ilter &h &h
hototime. m4s #9+8 #1+1 8+7
)ispla(e. hicness mmD $3 $$ 1
ompression >orce .ND # 1
)ispla(e. !G) mG(D 1+12 1+17 0+0#
V o6tsi.e .isc V1D
V insi.e .isc V2D
P ; P% Signa 5i44erence
N6mber o* *ibres seen #
7i*res seen a4ter 5e5(ction # 1
N6mber o* spec gro6ps seen $ $
SpecD gro(ps a4ter 5e5(ction $ $ 0
N6mber o* masses seen $ $
Masses seen a4ter 5e5(ction $ $ 0
Action Li)it+
Co))ents+
Pass07ai ass
* / m4s changes b( ? 1# /, or i* *ibre, spec gro6p, or mass score changes b(more than 0+#, the so6rce o* change sho6l. be i.enti*ie. an. correcte. or K6sti*ie.+he largest # *ibres, 3+# specs gro6ps an. $ masses shall be visible+ Correcti!eaction )(st *e taDen *e4ore an2 4(rt#er cinica e@a)inations are (n5ertaDeni4 t#e i)age (ait2 is not satis4actor2
Fe sa *ibres last (earL this (ear e sa #+ he reason is liel( to be the a6toselectiono* a har.er V> combination this (ear G" 6nits *l6ct6ate *rom !o&h to &h&h at $0$#mm !!4D+ his is o* no concern+ 4 score o* #, $, $ is per*ectl( acceptable+
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. Dp Acc(rac2 0 Repro5(ci*iit2
Vp meter 6se.= %n*ors -i
!eter setting= !o!o
Nominal Vp setting 2$ 2 28 30 32
>ocal spot large smallD large large large large large
m4 setting
m4s setting 10 10 10 10 10
!eas6re. Vp val6es
Vp1 23+9 2#+97 28+03 30+1 32+1
Vp2 2#+9#
Vp3 2#+97
Vp$
!ean Vp EVp5 2$+0 2+0 28+0 30+2 32+1
Stan.ar. .eviation S)D 0+0
4..itional Vp meas6rements i* nee.e.D
Vp#Vp
Vp7
Vp8
Vp9
Vp10
&ecalc6late. =
!ean Vp EVp5
Stan.ar. .eviation S)D
EVp5 Nominal Vp 0+0 0+0 0+0 0+2 0+1$
0+0# A Nominal Vp 1+2 1+3 1+$ 1+# 1+K Error 0+2 0+1 0+1 0+# 0+$
Dp coe44icient o4 !ariation
0+00S30Mean
Action Li)it+
Co))ents+
Pass07ai ass
Pass07ai ass
* the mean Vp .i**ers *rom the nominal Vp b( more than ? #/ o* the nominal Vp, or i*the Vp coe**icient o* variation eAcee.s 0+02, then see service correction+
Vp acc6rac( #/
Vp :V0+02
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' Bea) 9(ait2 HL Meas(re)ent
)osimetr( s(stem 6se. %n*ors -i
&a.iation o6tp6t 6nits mG(
20 mm 4& $0 mm 0 mm
Nominal Vp setting 2 29 29 31
4no.e !o &h &h &h
>ilter !o &h &h &h
arameter, 0+12 0+22 0+22 0+22
m4s setting 10 10 10 10
4ir erma or eApos6re meas6rements=
0+2
0+3
0+$
0+#
0+
Cac(ate5 HL )) A 0+3$1 0+$$7 0+$$7 0+$79
Mini)() ao>e5 HL )) A 0+29 0+32 0+32 0+3$
Ma@i)() ao>e5 HL )) A 0+38 0+#1 0+#1 0+#3
alc6late. HV@ U
Vp
Action Li)it+ * meas6re. HV@ E 100 R 0+03 in mm 4@D
or Vp
i* meas6re. HV@ 5 100 R in mm 4@D
Co))ents+
Pass07ai ass
No al6mini6m *iltration, 0
mm o* a..e. al6mini6m, 1
mm o* a..e. al6mini6m, 2
mm o* a..e. al6mini6m, 3
mm o* a..e. al6mini6m, $
mm o* a..e. al6mini6m, #&epeat meas6rement, 0
&ecor. thicnesses taEtbD an. airerma or eApos6re val6es thatbracet 02= a5bD
ta
tb
a
b
tbln2aoW ta ln2boWlnabW
here U 0+12 *or !o!o, U 0+19 *or !o&h, an. U 0+22 *or &h&h, an.U 0+30 *or F&h, then the impact on image
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? Breast Entrance E@pos(re & Mean Gan5(ar 3ose
maging mo.e= ontact S) mmD= 0
mage t(pe J &a So6rcebreast s6pport .istance mmD $0
)osimetr( s(stem 6se.= %n*ors -
ollimator 18 A 2$ "nerg( correction *actor= 1+0
hantom= &! 1# hantom 20 mm !!4 0 mm !!44" .etector position= N4 N4 N4
4" mo.e= St. 46to St. 46to St. 46to
Nominal Vp setting= 29 2 31
4no.e &h !o &h
>ilter &h !o &h
ost "Apos6re m4s #1+1 2#+7 77+
!eas6re. HV@ mm 4lD= 0+$$7 0+3$1 0+$79
Breast Entrance Air "er)a or E@pos(re & AEC Repro5(ci*iit2
m4s !V mG( m4s !V mG( m4s !V m
"Apos6re 1 #0 3+#12 2#+0 1+9 80+0 +
2 #0 3+#17
3 #0 3+#13
$
!ean Val6es #0 3+#1$ 2# 1+907 80 +
oe**+ :* Variation V/D 0+0 0+1
Set m4s #0 2# 80
3+#91 1+90 +9
Action Li)it+
* :V in air erma eAcee.s #/ then see service a.vice+
Pass07ai ass
Mean Gan5(ar 3ose MG3
"nerg(correcte. eApos6re 3+#91 1+90 +
"
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Pass07ai ass
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i
(
+9
7#
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J E@pos(re ti)e
>oc6s Vp 4no.e*ilter m4 m4s ime sD
>ine 33 &h &h 119+7 3+77
Broa. 31 &h &h 78 1+3$
Pass07ai >ail
Co))ents+
on*irm that eApos6re times *or cm !!4 ith clinicall( relevant techniit# a !er2 s)a e44ecti!e
e@pos(re ti)e, t#ese criteria 5o NOT app2
* a 6nit *ails the test then it is recommen.e. that the programme. 4" be a.K6ste. e+g+Vp increase. slightl(D to ens6re eApos6re time is re.6ce.+
he eApos6re time represents a bor.erline *ail hen the *ine *ocal spot is 6se. magmo.eD+ * possible, G" sho6l. be ase. to a.K6st the 4" in mag mo.e to give loerposteApos6re m4s+ he N& res6lts ere ver( high so there is scope to re.6ce the m4san. still achieve acceptable image
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Monitors & printers
Monitor Ac(isitionRa5ioogist Ra5ioogist % Ra5ioogist /
PrinterLe4t Rig#t Le4t Rig#t Le4t Rig#t
Genera I)age 9(ait2
No smearing P
No arte*acts P
&s cont+ P
Geo)etric 3istortion
@ines Straight P
attern Gre(e. P
BoAes s
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Linearit2 o4 s2ste) >it# 5ose
hantom 6se.= $ cm !!4 on b6c(
mage t(pe &a
>ocal spot @arge
Vp 29
4no.e &h>ilter &h
&:s sho6l. be C $cmI2 an. sho6l. be place. C0 mm *rom chest all margin
m4s )ose mG(D S) S)I2 SN& SN&I2
# 0+$8$2 7+2# 3+1 9+33 2$+9 21
10 0+98$7 1#7+82 3+2 13+10$$ $3+ 1901
20 1+993 320+7 $+# 20+2# 71+3 #081
$0 $+00$ #+29 +1# 37+822# 10+7 11388
80 8+0$7 132$+# 8+## 73+1 1#$+9 23998
10 1+12 2#7+23 12+# 1#+# 212+$ $#117
200 20+17 3322+$ 1$+38 20+8 231+0 #3383
Action Li)it+
!ean iAel Val6e!VD
he linearit( o* !V an. noise can be assesse. *rom the &I2 val6e+ &I2 sho6l.be 50+99 *or !V an. 50+9# *or S)I2 an. SN&I2
0 5 10 15 20 25
0
500
1000
1500
2000
2500
3000
3500
f(x) = 15!0"#010"$1x - "!$50%$%5235
&' = 0!$$$$$#0$3#
MPV
Dose (mGy)
MPV
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Linearit2 o4 s2ste) >it# 5ose cont
Co))ents+
!V o**set speci*ication U ZZD $+9#
!V linearit( Pass07ai ass
Noise S)I2D linearit( Pass07ai ass
SN&I2 linearit( Pass07ai ass
0 5 10 15 20 25
0
50
100
150
200
250
f(x) = $!$23%33"%x 0!3#%50#"2#
&' = 0!$$2%2$#5%
SD^2
Dose (mGy)
SD^2
SD^2
0 5 10 15 20 25
0
10000
20000
30000
"0000
50000
0000
f(x) = 2%2$!500$%103"x 13!1%5"#%$2
&' = 0!$$5132%1$
Dose (mGy)
SNR^2
SNR^2
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% Spatia Reso(tion & 3istance Caipers
hantom 6se.= &6lers place. .irectl( on .etector
mage .etector sie 2$A30
mage t(pe &a
>ocal spot large
Vp 27
4no.e !o
>ilter !o
m4s 20
r6e mmD !eas6re. mmD )i**erence /D
&6lerstrip length to long aAis 100+0 100+$077$193## 0+$
&6lerstrip length perp to long aAis 100+0 100+$180$#11 0+$
Action Li)it+
)istance calipers sho6l. agree to ithin ? 2/ o* tr6e val6es+
)istance calipers Pass07ai ass
hantom 6se.= &esol6tion pattern either or O[O to chest on $ cm !!4
mage (pe &a &a
mage .etector sie 2$A30 !ag 1+8
!agni*ication 1 1+8
>ocal spot large smallhantom $ cm !!4 $ cm !!4
mage t(pe &a &a
Vp 27 27
4no.e !o !o
>ilter !o !o
m4s 20 20
100 100
N(or )& scanning systemsit is cr6cial that the resol6tion be meas6re. ann6all( in both.irections as the scanning s(stem ma( .eteriorate ith time+ attern sho6l. be place. K6sto** s
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/ Arte4act E!a(ation
Note= an 6se .etector homogeneit( image *or contact mo.e
(pe o* 4tten6ator $ cm !!4 $ cm !!4>ocal spot @arge >ine magD
4" .etector position= N4 N4
4" !o.e St. 46to St. 46to
mage t(pe &a &a
Vp 29 28
4no.e &h !o
>ilter &h &h
m4s $+# 3+#
4rte*acts present No No
)escribe
Action+ * signi*icant arte*acts or .ea. piAels are visible, contact service
Co))ents+
Pass07ai ass
7at 4ie5 corrections are (s(a2 )a5e >it# one *ea) t2pe an5 arge 4oca spotAccor5ing2, 4ine 4oc(s )ag )o5e s#o(5 *e e@a)ine5 4or potentia arte4actsca(se5 *2 4iter c#anges an5 ot#er e44ects
he image sho6l. be eAamine. ith a narro in.o at normal magni*icationlooing *or large area arte*acts an. also 6sing oom to loo *or potential .ea..els+ )imple arte*acts ma( also be present beca6se o* imper*ect man6*act6re o**ilters, most partic6larl( in !ag vie+
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- 3etector Ho)ogeneit2
hantom 6se.= $0 mm !!4
4" .etector position= N4
4" !o.e St. 46to
mage t(pe &a
>ocal spotlargeVp 29
4no.e &h
>ilter &h
m4s $+#
ROI Centre
V 77+91
S) +3V :**set $+9#
SN& centreD 11+
C#est $a Le4t C#est $a Rig#t
V 78$+0$ V 7$2+#
S) +1 S) +1
SN& 128+1 SN& 122+#
V V centreD 1+02 V V centreD 0+97SN&SN& centreD 1+10 SN&SN& centreD 1+0#
Nippe E5ge e4t Nippe E5ge Rig#t
V 7$9+## V 70$+1#
S) 9+19 S) 9
SN& 82+1 SN& 78+8
V V centreD 0+98 V V centreD 0+92
SN&SN& centreD 0+70 SN&SN& centreD 0+8
Action Li)it+
Co))ents+
V variation Pass07ai ass
&:s sho6l. be C 1cmI2 in area an., apart *rom central one, sho6l. be place. C 20mm *rom each margin
* the mean piAel val6e *or an( &: .i**ers b( more than ?1#/ *rom the mean piAel val6e *or thecentral &: an.or, i* SN& can be calc6late., the SN& *or an( &: .i**ers b( more than ?2#/*rom the SN& *or the central &: see service a.K6stment
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6 3etector G#osting
mage t(pe &a
hantom $ cm !!4
Vp 28
4no.e*ilter !o!o
m4s #0
ROI ROI %
!ean V1 #07+9$ !ean V2 #13+77
S)1 #+38 S)2 #+32
Ghost >actor U V2V1DS)2 U 1+10 Fh( is o**set nee.e.Z
Action Li)it+
* the ghost *actor is N: E2 then see service a.vice+
Co))ents+
Pass07ai ass
he > .etector is hal* covere. ith $ cm !!4 irra.iate.+ he .etector is then completel(covere. ith $ cm !!4 an. irra.iate. again+ &:s C $ cmI2D are .e*ine. as *ollos= &:1 isclose to mi.line on si.e o* here no !!4 as present in *irst irra.iation, &:2 is as *or&:1 b6t on si.e hich ha. !!4 .6ring *irst irra.iation+T#is test is not appica*e to scanning s2ste)s as t#eir 5esign )eans g#osting is not
possi*e
&:2
&:1
No !!4 !!4
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