GOS:Pr crystal, GOS:Tb crystal, GOS:Pr scintillator, GOS:Tb Scintillators
Anfani
● Ikore ina giga
● Kekere ibajẹ-akoko ati kekere afterglow
● Ni irọrun si apẹrẹ ati idi rẹ.
● Ko ni awọn nkan oloro tabi oloro.
● O tayọ ni ọriniinitutu resistance.
Ohun elo
● Aworan iṣoogun
● Iṣoogun CT
● Ayẹwo CT ile-iṣẹ (NDT)
Awọn ohun-ini
| Paramita | GOS: Pr seramiki | GOS:Tb Seramiki |
| Oke Wefulenti/nm | 512 | 550 |
| Eto | Poly-crystalline seramiki | Poly-crystalline seramiki |
| Itumọ | Translucent | Translucent |
| Ijade ina (awọn fọton/keV) | 27 | 45 |
| Àkókò ìbàjẹ́ | 3000 | 600000 |
| Afterglow/@20ms | ≤0.01% | ≤0.03% |
| Atomic olùsọdipúpọ | 60 | 60 |
| Ìwúwo (g/cm3) | 7.34 | 7.34 |
| Hygroscopic | No | No |
| Mohs Lile | 5 | 5 |
ọja Apejuwe
GOS: Pr/GOS: Tb jẹ ohun elo seramiki ti o jẹ ti gadolinium oxysulfide ti a mu ṣiṣẹ nipasẹ praseodymium (Pr) tabi terbium (Tb) gẹgẹbi awọn eroja doping.Pẹlu awọn ohun-ini scintillation ti o dara julọ, o jẹ lilo pupọ bi ohun elo scintillator ni awọn ohun elo aworan iṣoogun bii awọn ọlọjẹ PET.Ilana scintillation pẹlu yiyipada awọn photon agbara-giga, tabi awọn patikulu, sinu ina ti o han.
Nigbati itara nipasẹ itankalẹ isẹlẹ, awọn atomu gadolinium ni GOS:Pr/GOS:Tb njade awọn fọto, eyiti o jẹ awari nipasẹ awọn olutọpa.Ilana yii ngbanilaaye aworan kongẹ ati wiwa awọn orisun itankalẹ.GOS: Pr/GOS: Tb ni a mọ fun iṣelọpọ ina giga wọn, akoko ibajẹ kukuru ati kekere lẹhin glow, ti n mu ki o yara ati wiwa itankalẹ deede.O tun ni agbara idaduro giga lodi si awọn egungun X ati awọn egungun gamma, ti o jẹ ki o munadoko pupọ ninu awọn ohun elo aworan iṣoogun.Iwoye, GOS:Pr/GOS:Tb seramiki jẹ ohun elo scintillator ti o niyelori ti o ṣe iyipada aaye ti aworan iwosan, ti o yori si ayẹwo iṣaaju ati itọju to munadoko diẹ sii ti awọn aisan.
Idanwo Iṣe
GOS:Pr PD module lafiwe iroyin igbeyewo
1. Awọn iwọn
| Nkan | Gigun (mm) | Ìbú (mm) | Giga(mm) | Ààlà (mm) | Pixel | Iṣiro(mm) | GOS |
| oludije ká | 25.4-0.1 | 3.0 | 1.25 | 0.2 | 1.575*2.9*1.2 | 0.05 | GOS: Pr |
| Kinheng GOS: Tb | 25.4-0.1 | 3.4 | 1.55 | 0.2 | 1.575*3.0*1.3 | 0.2 | GOS: Tb |
| Kinheng GOS: Pr | 25.4-0.1 | 3.4 | 1.55 | 0.2 | 1.575*3.0*1.3 | 0.2 | GOS: Pr |
2. O yatọ si doping
1.GOS: Tb PD MODUL 4 PCS.
1. Ipo idanwo ti o wu ina Foliteji: 63 kv;Lọwọlọwọ: 0.33mA
| S/N | Pixel 1 | Pixel 2 | Pixel 3 | Pixel 4 | Pixel 5 | Pixel 6 | Pixel 7 | Pixel 8 | Pixel 9 | Pixel 10 | Pixel 11 | Pixel 12 | Pixel 13 | Pixel 14 | Pixel 15 | Pixel 16 | Apapọ |
| Tb -1 | Ọdun 21088 | 21669 | 21782 | 21763 | 21614 | 21820 | Ọdun 21754 | Ọdun 21868 | Ọdun 21931 | Ọdun 21875 | Ọdun 21840 | Ọdun 21830 | 21670 | 21598 | Ọdun 21705 | Ọdun 21227 | 21689 |
| Tb -2 | Ọdun 20702 | Ọdun 21948 | Ọdun 22070 | Ọdun 21824 | 21791 | Ọdun 21734 | Ọdun 21904 | Ọdun 21585 | 21649 | Ọdun 21747 | Ọdun 21905 | Ọdun 21888 | Ọdun 21821 | 21737 | 21890 | Ọdun 21316 | 21719 |
| Tb -3 | Ọdun 20515 | 21367 | 21701 | Ọdun 21741 | 21394 | Ọdun 21704 | 21811 | 21694 | Ọdun 21743 | 21593 | 21600 | Ọdun 21813 | 21880 | Ọdun 21883 | 21679 | Ọdun 20931 | 21565 |
| Tb -4 | Ọdun 20568 | Ọdun 21407 | 21562 | 21719 | 21761 | Ọdun 21875 | 21640 | 21610 | Ọdun 21836 | Ọdun 21804 | 21881 | 21560 | Ọdun 21731 | Ọdun 21717 | 21651 | Ọdun 21431 | 21609 |
2. Aṣọkan
| S/N | Pixel 1 | Pixel 2 | Pixel 3 | Pixel 4 | Pixel 5 | Pixel 6 | Pixel 7 | Pixel 8 | Pixel 9 | Pixel 10 | Pixel 11 | Pixel 12 | Pixel 13 | Pixel 14 | Pixel 15 | Pixel 16 | O pọju | Min |
| Tb -1 | -2.8% | -0.1% | 0.4% | 0.3% | -0.3% | 0.6% | 0.3% | 0.8% | 1.1% | 0.9% | 0.7% | 0.6% | -0.1% | -0.4% | 0.1% | -2.1% | 1.1% | -2.8% |
| Tb -2 | -4.7% | 1.1% | 1.6% | 0.5% | 0.3% | 0.1% | 0.9% | -0.6% | -0.3% | 0.1% | 0.9% | 0.8% | 0.5% | 0.1% | 0.8% | - 1.9% | 1.6% | -4.7% |
| Tb -3 | -4.9% | -0.9% | 0.6% | 0.8% | -0.8% | 0.6% | 1.1% | 0.6% | 0.8% | 0.1% | 0.2% | 1.1% | 1.5% | 1.5% | 0.5% | -2.9% | 1.5% | -4.9% |
| Tb -4 | -4.8% | -0.9% | -0.2% | 0.5% | 0.7% | 1.2% | 0.1% | 0.0% | 1.0% | 0.9% | 1.3% | -0.2% | 0.6% | 0.5% | 0.2% | -0.8% | 1.3% | -4.8% |
3. Afterglow: ipo idanwo, foliteji: 160kv;Lọwọlọwọ: 1 mA
| Nomba siriali | 1ms | 3ms | 20ms | 50ms | 100ms |
| Tb -1 | 0.1115 | 0.0363 | 0.0232 | 0.0185 | 0.0187 |
| Tb -2 | 0.1197 | 0.0272 | 0.0165 | 0.0154 | 0.014 |
| Tb -3 | 0.0895 | 0.0133 | 0.0119 | 0.0139 | 0.0158 |
| Tb -4 | 0.1122 | 0.033 | 0.0258 | 0.0252 | 0.0211 |
4. Iwọn:
| Nkan | L/mm25.40.1 | W/mm3.40.1 | H/mm±0.05 | Ẹbun 1.375 ± 0.05 | ihohogara W 3.0 ± 0.05 | Lapapọ ipari 25.0 ± 0.05 | Aafo0.2 ± 0.05 | Olufihan ẹgbẹ0.2 ± 0.05 | Top reflector0.2 ± 0.05 |
| Tb -1 | 25.39 | 3.363 | 1.52 | 1.386 | 2.998 | 24.978 | 0.188 | 0.19 | 0.199 |
| Tb -2 | 25.397 | 3.337 | 1.53 | 1.387 | 2.994 | 24.98 | 0.186 | 0.171 | 0.192 |
| Tb -3 | 25.392 | 3.352 | 1.53 | 1.389 | 3.003 | 24.98 | 0.187 | 0.167 | 0.196 |
| Tb -4 | 25.396 | 3.358 | 1.53 | 1.385 | 2.996 | 24.978 | 0.186 | 0.177 | 0.224 |
2. GOS: Pr PD Module 4 PCS
1. Ijade ina: foliteji ipo idanwo: 63 kv;lọwọlọwọ: 0.33mA
| S/N | Pixel 1 | Pixel 2 | Pixel 3 | Pixel 4 | Pixel 5 | Pixel 6 | Pixel 7 | Pixel 8 | Pixel 9 | Pixel 10 | Pixel 11 | Pixel 12 | Pixel 13 | Pixel 14 | Pixel 15 | Pixel 16 | Apapọ |
| Pr- 1 | 8922 | 9490 | 9483 | 9499 | 9535 | 9477 | 9405 | 9357 | 9230 | 9391 | 9388 | 9442 | 9346 | 9404 | 9381 | 9102 | 9366 |
| Pr-2 | 8897 | 9257 | 9343 | 9351 | 9360 | 9200 | 9201 | 9329 | 9408 | 9385 | 9395 | 9333 | 9346 | 9413 | 9337 | 8845 | 9275 |
| Pr -3 | 9041 | 9300 | 9302 | 9278 | 9362 | 9281 | 9252 | 9307 | 9178 | 9197 | 9342 | 9304 | 9261 | 9350 | 9265 | 8551 | 9223 |
| Pr -4 | 8914 | 9416 | 9492 | 9455 | 9578 | 9491 | 9449 | 9404 | 9464 | 9490 | 9428 | 9323 | 9469 | 9490 | 9434 | 9039 | 9396 |
2. Aṣọkan
| Nomba siriali | pixel1 | pixel2 | pixel3 | pixel4 | pixel5 | pixel6 | pixel7 | pixel8 | pixel9 | pixel10 | pixel11 | pixel12 | pixel13 | pixel14 | pixel15 | pixel16 | O pọju | Min |
| Pr- 1 | -4.7% | 1.3% | 1.3% | 1.4% | 1.8% | 1.2% | 0.4% | -0.1% | - 1.4% | 0.3% | 0.2% | 0.8% | -0.2% | 0.4% | 0.2% | -2.8% | 1.8% | -4.7% |
| Pr-2 | -4.1% | -0.2% | 0.7% | 0.8% | 0.9% | -0.8% | -0.8% | 0.6% | 1.4% | 1.2% | 1.3% | 0.6% | 0.8% | 1.5% | 0.7% | -4.6% | 1.5% | -4.6% |
| Pr -3 | -2.0% | 0.8% | 0.9% | 0.6% | 1.5% | 0.6% | 0.3% | 0.9% | -0.5% | -0.3% | 1.3% | 0.9% | 0.4% | 1.4% | 0.5% | -7.3% | 1.5% | -7.3% |
| Pr -4 | -5.1% | 0.2% | 1.0% | 0.6% | 1.9% | 1.0% | 0.6% | 0.1% | 0.7% | 1.0% | 0.3% | -0.8% | 0.8% | 1.0% | 0.4% | -3.8% | 1.9% | -5.1% |
3. Afterglow: Igbeyewo ipo foliteji: 160kv;lọwọlọwọ: 1 ma
| Nomba siriali | 1ms | 3ms | 20ms | 50ms | 100ms |
| Pr- 1 | 0.033 | 0.031 | 0.0238 | 0.0259 | 0.0213 |
| Pr-2 | 0.0314 | 0.0256 | 0.0205 | 0.0258 | 0.0236 |
| Pr -3 | 0.0649 | 0.0312 | 0.0154 | 0.0167 | 0.0171 |
| Pr -4 | 0.0509 | 0.0202 | 0.018 | 0.0201 | 0.021 |
4. Iwọn iwọn:
| S/N | Ipari L / mm25.4-0.1 | Iwọn W / mm3.4-0.1 | Giga L / mm 0.05 | Ẹbun L 1.375 ± 0.05 | Ẹbun w 3.0 ± 0.05 | Lapapọ ẹsẹ 25.0 ± 0.05 | Aafo0.2 ± 0.05 | Sidereflector0.2 ± 0.05 | Endreflector0.2 ± 0.05 |
| Pr- 1 | 25.386 | 3.333 | 1.53 | 1.382 | 2.994 | 24.974 | 0.191 | 0.164 | 0.194 |
| Pr-2 | 25.384 | 3.348 | 1.54 | 1.381 | 2.991 | 24.975 | 0.194 | 0.182 | 0.198 |
| Pr -3 | 25.371 | 3.32 | 1.53 | 1.377 | 2.989 | 24.976 | 0.19 | 0.18 | 0.197 |
| Pr -4 | 25.396 | 3.332 | 1.53 | 1.382 | 2.989 | 24.971 | 0.192 | 0.19 | 0.228 |
3. Irisi / Ifiwera iwọn:
