Intuthuko kwezobuchwepheshe bezokwelapha iye yavula indlela yamathuluzi okuxilonga anembe kakhudlwana nasebenza ngempumelelo. Ama-Ultrasound probes asetshenziswa kabanzi ekucabangeni kwezokwelapha futhi adinga izingxenye ezinokwethenjelwa kakhulu neziguquguqukayo ukuze kuqinisekiswe ukusebenza kahle.Lolu cwaningo luhlola ukusetshenziswa kweUbuchwepheshe be-2-layer flexible printed circuit (FPC) kuma-ultrasound probes, ihlaziya ipharamitha ngayinye ngokuningiliziwe futhi igqamisa izinzuzo zayo zemishini yezokwelapha.
Ukuvumelana nezimo kanye ne-Miniaturization:
I-B-ultrasound probe isebenzisa ubuchwepheshe obuphrintiwe obuyi-2-layer flexible printed circuit (FPC), obunezinzuzo ezibalulekile ekuguquguqukeni nasekuguquleni okuncane. Lezi zinzuzo zibalulekile ekugcineni ukusebenza okuthembekile ezindaweni ezidinga usizo lwezokwelapha.
Ngobubanzi bayo bomugqa ongu-0.06/0.08mm nesikhala somugqa, ubuchwepheshe be-FPC obunezendlalelo ezi-2 bungakwazi ukubona ukuxhumana kwezintambo okuyinkimbinkimbi endaweni elinganiselwe ye-probe.Leli khono lezintambo ezinembayo lenza ukuthi idivayisi yenziwe ibe mincane, ngaleyo ndlela yenza kube lula ngochwepheshe bezokwelapha ukuthi bayiphathe ngesikhathi sokuhlolwa. Usayizi ohlangene we-microprobe uphinde uthuthukise ukunethezeka kwesiguli njengoba wehlisa ukungakhululeki okungaba khona kanye nobuhlungu obuhambisana nokufakwa nokunyakaza kwedivayisi.
Ngaphezu kwalokho, ubukhulu bepuleti elingu-0.1mm kanye nokuma okuncane kwe-2-Layer Flexible Printed Circuits FPC kuthuthukisa kakhulu ukubumbana kukonke kwe-B-ultrasound probe.Lo mklamo ohlangene uzuzisa kakhulu izinhlelo zokusebenza zokubelethisa lapho uphenyo ludinga ukufakwa ezindaweni ezilinganiselwe. I-FPC ezacile futhi eguquguqukayo yenza i-probe ikwazi ukuzivumelanisa nama-engeli nezindawo ezihlukene, ikwenze kube lula ukufinyelela endaweni okuhlosiwe futhi iqinisekise ukunemba okuphelele kokuxilonga.
Ukuvumelana nezimo kwe-FPC enezingqimba ezi-2 kuyisici esibalulekile sokuthuthukisa ukwethembeka nokuqina kwe-probe.Impahla ye-FPC iguquguquka kakhulu, iyivumela ukuthi igobe futhi ihambisane namakhontosi ophenyo ngaphandle kokuphazamisa ukusebenza kwawo kukagesi. Lokhu kuvumelana nezimo kuvumela i-probe ukuthi imelane nokugoba okuphindaphindiwe nokunyakaza ngesikhathi sokuhlolwa ngaphandle kokulimaza isifunda. Ukuqina okuthuthukisiwe kwe-FPC kusiza ukunweba impilo yedivayisi, kwehlise izindleko zokuyilungisa futhi kuthuthukise ukwethembeka kukonke ezindaweni zezokwelapha ezinokhahlo. Ukwenziwa kancane kobuchwepheshe be-FPC obunezendlalelo ezi-2 kuletha ukunethezeka okungenakuqhathaniswa kochwepheshe bezokwelapha neziguli. Ama-Miniature probe mancane ngosayizi futhi alula ngesisindo, okuvumela ukuphathwa kwe-ergonomic okwengeziwe kanye nokusetshenziswa ochwepheshe bezokwelapha. Lokhu lula kokusetshenziswa kuvumela ukubeka okunembile nokulungiswa ngesikhathi sokuhlolwa, ukuthuthukisa ikhwalithi nokunemba kwezinqubo zokuxilonga.
Ngaphezu kwalokho, umklamo ohlangene we-probe encane uthuthukisa ukunethezeka kwesiguli ngesikhathi sokuhlolwa.Ukwehliswa kosayizi nesisindo kunciphisa noma yikuphi ukungakhululeki okungaba khona noma ubuhlungu obuzwiwa isiguli ngesikhathi sokufakwa noma ukunyakaza kwe-probe. Ukuthuthukisa induduzo yesiguli akugcini nje ukuthuthukisa isipiliyoni sonke, kodwa futhi kunomthelela ekwanelisekeni okukhulu kwesiguli.
Ukusebenza Kagesi Okuthuthukisiwe:
Emkhakheni wezithombe zezokwelapha, izithombe ezicacile nezithembekile ze-ultrasound zibalulekile ekuxilongweni okunembile nokuhlolwa kwezokwelapha. Ukusebenza okuthuthukisiwe kukagesi okunikezwa ubuchwepheshe be-flexible printed circuit (FPC) kunomthelela omkhulu kulo mgomo.
Isici esibalulekile sobuchwepheshe obuthuthukisiwe be-2-Layer Flexible Printed Circuits FPC ukusebenza kukagesi okuthuthukisiwe ukujiya kwethusi.Ugqinsi lwethusi lwe-2-Layer Flexible Printed Circuits FPC luvamise ukuba ngu-12um, okuqinisekisa ukuhamba kahle kukagesi. Lokhu kusho ukuthi amasiginali angadluliselwa ngempumelelo nge-FPC, kuncishiswe ukulahleka kwesignali kanye nokuphazamiseka. Lokhu kubaluleke kakhulu kumongo we-B-mode ultrasound probes, njengoba inika amandla ukutholwa kwesithombe sekhwalithi ephezulu.
Ngokunciphisa ukulahlekelwa kwesignali nokuphazamiseka, ubuchwepheshe be-2-Layer Flexible Printed Circuits FPC buvumela ama-ultrasound probe ukuthi athwebule amasignali anembile avela emzimbeni futhi awadlulisele ukuze acutshungulwe futhi akhiqize isithombe.Lokhu kukhiqiza izithombe ezicacile neziningiliziwe ze-ultrasound ezihlinzeka ochwepheshe bezokwelapha ngolwazi olubalulekile. Izilinganiso ezinembile nazo zingatholwa kulezi zithombe, zithuthukise amakhono okuxilonga emishini yezokwelapha.
Ngaphezu kwalokho, indawo encane yokuvula ye-2-Layer Flexible Printed Circuits FPC ingu-0.1mm. Imbobo ibhekisela ekuvulekeni noma embotsheni ye-FPC lapho isignali idlula khona.Usayizi omncane wembobo encane kakhulu uvumela umzila wesignali oyinkimbinkimbi kanye nezindawo zokuxhuma ezinembayo. Lokhu kubaluleke kakhulu kuma-ultrasound probes njengoba kuthuthukisa ukusebenza kukagesi. Umzila wesignali oyinkimbinkimbi ubhekisela ekhonweni lokuhambisa amasignali ezindleleni ezithile ngaphakathi kwe-FPC, ukuqinisekisa ukudluliswa okuphumelelayo kanye nokunciphisa ukuncishwa kwesignali. Ngamaphuzu okuxhumana anembile, ubuchwepheshe be-FPC buvumela ukuxhumana okunembayo nokuthembekile phakathi kwezingxenye ezihlukene ze-ultrasound probe, njengama-transducer namayunithi okucubungula. Umzila wesignali oyinkimbinkimbi kanye nezindawo zokuxhuma ezinembayo ezinikwe amandla ubuchwepheshe be-FPC zifaka isandla ekusebenzeni okuhle kukagesi. Indlela yesignali ingaklanywa ngokucophelela ukuze kuncishiswe umsindo nokuhlanekezela, kuqinisekiswe ukuthi isignali ye-ultrasound etholiwe ihlala inembile futhi ithembekile kuyo yonke inqubo yokucabanga. Ngokulandelayo, lokhu kukhiqiza izithombe ezicacile nezithembekile ze-ultrasound ezihlinzeka ngolwazi olubalulekile lokuhlolwa kwezokwelapha. Ukusebenza okuthuthukisiwe kukagesi kobuchwepheshe be-FPC kusiza ukudluliswa kwesignali okuphumelelayo, kunciphisa ubungozi bokuhlanekezelwa kwesithombe noma ukunemba, ngaleyo ndlela kunciphisa ithuba lokuhlonza kabi noma ukushoda kokungajwayelekile.
Iphephile futhi Inokwethenjelwa:
Ukuqinisekisa ukuphepha nokuthembeka kwemishini yezokwelapha kubalulekile embonini yezokunakekelwa kwempilo. I-FPC enezingqimba ezi-2 esetshenziswa ophenyweni lwe-ultrasound inemisebenzi eminingana enomthelela ekusebenzeni kwayo okuphephile nokuthembekile.
Okokuqala nje, i-FPC esetshenziswe kuphenyi lwe-B-ultrasound i-flame retardant futhi isiphumelele isitifiketi se-94V0.Lokhu kusho ukuthi ihlolwe kanzima futhi ihambisana nezindinganiso zokuphepha zamazwe ngamazwe. Izici ezivimbela amalangabi ze-FPC zinganciphisa kakhulu ingozi yezingozi zomlilo, ziyenze ifanelekele ukusetshenziswa ezindaweni zezokwelapha ezibucayi zokuphepha. Ngaphezu kokuba i-flame retardant, i-FPC iphinde iphathwe ngokucwiliswa kwendawo yegolide. Lokhu kwelashwa akugcini nje ukuthuthukisa izakhiwo zayo zikagesi, kodwa futhi kunikeza ukumelana nokugqwala okuphumelelayo. Lokhu kubaluleke kakhulu ezindaweni zezokwelapha lapho okokusebenza kungase kuhlangane noketshezi lomzimba noma ezinye izinto ezigqwalisayo. Ukumelana nokugqwala kuqinisekisa ukuphila isikhathi eside nokuthembeka kwemishini, kunciphisa ithuba lokwehluleka noma ukwehluleka. Ukwengeza, umbala ophuzi we-weld we-FPC uthuthukisa ukubonakala ngesikhathi sokuhlanganiswa nokulungiswa. Lo mbala wenza kube lula ukuhlonza izinkinga ezingaba khona noma amaphutha, okuvumela ukuxazulula izinkinga nokulungisa ngokushesha nangokunembile. Kuyasiza ukunciphisa isikhathi sokuphumula futhi kuqinisekise ukuthi ama-ultrasound probes ahlala esebenza futhi ethembekile.
Ukuqina Nobuqotho Besakhiwo:
Ukuqina kwe-FR4 ye-2-layer FPC inikeza ibhalansi ekahle phakathi kokuguquguquka nokuqina.Lokhu kubalulekile kuma-ultrasound probes njengoba kudingeka ahlale ezinzile ngesikhathi sokuhlolwa. Ukuqina kwe-FPC kuqinisekisa ukuthi i-probe igcina indawo yayo nesakhiwo, okuvumela ukutholwa kwesithombe okunembayo. Yehlisa noma yikuphi ukunyakaza okungafuneki noma ukudlidliza okungase kuhlanekezele noma kufiphaze izithombe.
Ubuqotho besakhiwo be-FPC buphinde bufake isandla ekuthembekeni kwayo. Izinto ezisetshenziswayo ziklanyelwe ukumelana nezingcindezi nezinkinga ezihlukahlukene ongahlangabezana nazo ngesikhathi sokusetshenziswa okuvamile.Lokhu kuhlanganisa izici ezifana nokugoba, ukusonteka noma ukwelula ezivamile ekusetshenzisweni kwedivayisi yezokwelapha. Ikhono le-FPC lokugcina ubuqotho besakhiwo liqinisekisa ukuthi ingakwazi ukumelana nalezi zimo ngaphandle kokuphazamisa ikhwalithi noma ukunemba kwezithombe ze-ultrasound.
Izici zobuchwepheshe:
Ubuchwepheshe beminwe yegolide obungenalutho kuyinqubo ekhethekile ebalulekile ekusetshenzisweni kwesekethe ephrintiwe ye-2-layer flexible (FPC) kuma-B-ultrasound probe. Kubandakanya izindawo ezikhethiwe zokucwenga ngegolide ezidinga ukuthintana kukagesi ukuze kuhlinzekwe ukuqhutshwa kwekhwalithi ephezulu kanye nokunciphisa ukulahleka kwesignali. Ubuchwepheshe budlala indima ebalulekile ekuqinisekiseni ukudluliswa kwesignali okuthembekile nokunembile, okubalulekile ekukhiqizeni izithombe ezicacile ze-ultrasound zokuxilongwa kwezokwelapha.
Emkhakheni wezithombe zezokwelapha, ukucaca nokunemba kwezithombe ezikhiqizwa imishini efana ne-B-ultrasound probes kubaluleke kakhulu.Noma yikuphi ukulahlekelwa noma ukuhlanekezelwa kwesignali kagesi kungaholela ekulimaleni kwekhwalithi yesithombe nokunemba kokuxilonga. Ubuchwepheshe bomunwe wegolide obungenalutho buxazulula le nkinga ngokuhlinzeka ngoxhumano lukagesi olusebenzayo noluthembekile.
I-Traditional 2-Layer Flexible Printed Circuits FPCs ivamise ukusebenzisa i-copper njengento yomqhubi wokudlulisa amasignali kagesi.Nakuba ithusi liyi-conductor enhle, liyakhipha i-oxidize bese ligqwala kalula ngokuhamba kwesikhathi. Lokhu kungaholela ekusebenzeni kukagesi okonakele, okungase kubangele izinga elibi lesignali. Ubuchwepheshe beminwe yegolide obungenalutho buthuthukisa kakhulu ukusebenza nokuthembeka kwe-FPC ngokukhetha ngokukhetha izindawo ezidinga ukuthintana kukagesi. Igolide laziwa ngokusebenza kahle kakhulu kukagesi kanye nokumelana nokugqwala, okulenza libe yinto ekahle yokuqinisekisa ikhwalithi yokudlulisa isignali yesikhathi eside.
Ubuchwepheshe beminwe yegolide obungenalutho bubandakanya inqubo enembile futhi elawulwayo yokucwenga igolide.Izindawo ezidinga ukuxhunywa kukagesi zimbozwa ngokucophelela, zisale obala ukuze zifakwe igolide. Lokhu kucwecwa kwegolide okukhethiwe kuqinisekisa ukuthi izindawo zokuthintana ezidingekayo kuphela ezithola ungqimba lwegolide olusekelayo, kuncishiswe ukusetshenziswa kwezinto ezingadingekile. Umphumela uba indawo esebenza kakhulu futhi ekwazi ukumelana nokugqwala esiza ukudluliswa kwesignali okuthembekile. Isendlalelo segolide sakha isixhumi esibonakalayo esizinzile esingamelana nokuphathwa kanzima, siqinisekise ukusebenza kwesikhathi eside futhi sinciphise isidingo sokushintshwa noma ukulungiswa njalo. Ukwengeza, ubuchwepheshe bomunwe wegolide obungenalutho busiza ukunciphisa ukulahlekelwa kwesignali ngesikhathi sokudlulisa. Inikeza indlela kagesi eqondile nesebenza kahle kakhudlwana, inciphisa ukuvinjelwa kanye nokumelana namasignali ahlangabezana nakho lapho edlula ku-FPC. I-conductivity ethuthukisiwe kanye nokulahlekelwa kwesignali okuncishisiwe okunikezwa ubuchwepheshe obungenalutho beminwe yegolide kunenzuzo ikakhulukazi ezinhlelweni zezithombe zezokwelapha. Ukunemba nokucaca kwezithombe ze-ultrasound kudlala indima ebalulekile ekuhlonzweni nasekuhleleni ukwelashwa. Ubuchwepheshe beminwe yegolide obungenalutho buthuthukisa amandla okuxilonga ama-B-ultrasound probes ngokuqinisekisa ukudluliswa kwesignali okuthembekile nokunembile.
Isicelo se-B-ultrasound Probe:
Ukuhlanganiswa kwe-2-layer FPC (i-flexible printed circuit) ubuchwepheshe bube nomthelela omkhulu emkhakheni we-imaging yezokwelapha, ikakhulukazi ukuthuthukiswa kwe-B-ultrasound probes. Ukuvumelana nezimo nokusebenza okuncane okunikwe amandla ubuchwepheshe be-FPC kuguqule ukwakheka nokusebenza kwalawa ma-probe.
Inzuzo eyinhloko yokusebenzisa ubuchwepheshe be-2-Layer Flexible Printed Circuits FPC kuma-transducers e-ultrasound ukuguquguquka ekunikezayo.Imvelo emincane futhi eguquguqukayo ye-FPC ivumela ukuma okunembayo kanye nokukhohlisa okulula, okwenza ochwepheshe bezokunakekelwa kwempilo bathole ukuhlolwa kokuxilonga okuphelele nokunembile. Ukuvumelana nezimo kwe-FPC nakho kuvumela isipiliyoni sesiguli esikhululeke kakhudlwana ngesikhathi sokuhlolwa kwe-ultrasound.
Esinye isici esibalulekile sobuchwepheshe be-FPC ukusebenza kwayo okuthuthukisiwe kukagesi.I-FPC yakhelwe futhi yakhelwe ukuthuthukisa ukudluliswa kwesignali nokunciphisa ukulahleka kwesignali ngekhwalithi yesithombe ephezulu. Lokhu kubalulekile ezithombeni zezokwelapha, lapho izithombe ezicacile nezinembayo zibalulekile ekuxilongweni okunembile nokuhlela ukwelashwa. Ukuthembeka kokudluliswa kwesignali ye-ultrasound probe esekwe ku-FPC kuqinisekisa ukuthi alukho ulwazi olubalulekile olulahlekayo ngesikhathi sokuthwebula.
Ngaphezu kwalokho, imisebenzi ehlukahlukene yobungcweti ehlinzekwa ubuchwepheshe be-FPC ithuthukisa ukusebenza kwe-B-ultrasound probe.Lezi zici zingase zibandakanye ukulawula kokuvinjelwa, ukuvikela kanye namasu okumisa ukuze kuncishiswe ukuphazamiseka nokuthuthukisa ikhwalithi yesignali. Izici ezikhethekile zobuchwepheshe be-FPC ziqinisekisa ukuthi izithombe ze-ultrasound zikhiqizwa ngezinga eliphezulu kakhulu ngangokunokwenzeka, zisize ochwepheshe bezokunakekelwa kwempilo benze izinqumo ezinembile, ezinolwazi.
Ukuphepha nokuthembeka kobuchwepheshe be-FPC nakho kuyenza ilungele izicelo zezokwelapha.Ama-FPC ajwayele ukwakhiwa kusetshenziswa izinto ezivimbela amalangabi, okuqinisekisa izinga eliphezulu lokuphepha ezigulini nakubasebenzisi. Lesi sici se-flame retardant sinciphisa ingozi yomlilo futhi sithuthukise nakakhulu ukuphepha kwendawo yokuhlolwa kwe-ultrasound. Ngaphezu kwalokho, i-FPC ibhekana nokwelashwa okungaphezulu kanye nenqubo yokufaka imibala ye-welding, ethuthukisa ukuqina kwayo nokumelana nokugqwala. Lezi zimfanelo ziqinisekisa impilo ende ye-ultrasound probe, ngisho nasezindaweni ezinzima zezokwelapha.
Ukuqina kwe-FPC esinye isici esibalulekile esiyenza ifanelekele izicelo zezokwelapha. Ukuqina okufanele kuqinisekisa ukuthi i-ultrasound probe igcina ukwakheka kwayo kanye nobuqotho besakhiwo ngesikhathi sokusetshenziswa, okuvumela ukuphatha kalula kanye nokukhwabanisa ochwepheshe bezempilo. Ukuqina kwe-FPC nakho kunomthelela ekuqineni kwe-ultrasound probe, iqinisekisa ukuthi ingakwazi ukumelana nokusetshenziswa okuphindaphindiwe ngaphandle kokuphazamisa ukusebenza kwayo.
Isiphetho:
Ukusetshenziswa kobuchwepheshe besekethe obuphrintiwe obunezingqimba ezi-2 kumaprobe e-B-ultrasound kuguqule isithombe sezokwelapha ngokunikeza ukuguquguquka okuphakeme, ukusebenza kukagesi okuthuthukisiwe, kanye nokudluliswa kwesignali okuthembekile. Izici ezikhethekile ze-FPC, njengobuchwepheshe beminwe yegolide engenalutho, zisiza ukukhiqiza izithombe zekhwalithi ephezulu ukuze zihlolwe okunembile.I-B-ultrasound probe enobuchwepheshe be-FPC enezingqimba ezi-2 inikeza ochwepheshe bezokwelapha ukunemba okungakaze kubonwe kanye nokusebenza kahle ngesikhathi sokuhlolwa. Ukwenziwa okuncane kwe-FPC kanye nephrofayela ezacile kuvumela ukufakwa kalula ezindaweni ezivalekile, kuthuthukisa kakhulu ukunethezeka kwesiguli. Ukwengeza, izici zokuphepha nokwethembeka zobuchwepheshe be-FPC ziqinisekisa ukusebenza kahle nokuphila isikhathi eside ezindaweni zezokwelapha. Ngokuthuthuka okuqhubekayo kobuchwepheshe, ukusetshenziswa kwe-FPC enezingqimba ezi-2 kuma-B-ultrasound probes kuvule indlela yezinye izinto ezintsha ekucabangeni kwezokwelapha. Ukusetshenziswa kwalobu buchwepheshe obuphambili kuphakamisa izinga lokuxilongwa kwezokwelapha, okwenza abahlinzeki bezokunakekelwa kwempilo bakwazi ukuxilonga okunembayo nangesikhathi esifanele, ekugcineni kuthuthukiswe ukunakekelwa kwesiguli.
Isikhathi sokuthumela: Sep-04-2023
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