Te Tātari i te Hangarau Keri Whakamuri i roto i te Hoahoa PCB Tere Tere

Tuatahi, ko ngā wāhanga o tētahi hononga tere-teitei ko:

(1) Te takai maramara: I te nuinga o te wā, he whaiti ake te whānui o te waea PCB i roto i te papa takai maramara i tērā o te PCB noa, ā, he uaua te whakahaere i te aukati;

(2) PCB via: Ko ngā PCB via he pānga capacitive me te iti o te ātete āhuatanga, ā, me tino arotahi me te arotau i roto i te hoahoa PCB;

(3) Hononga: Ko te hoahoa o te hononga parahi i roto i te hononga ka pāngia e te pono o te miihini me te mahi hiko, nō reira me rapu he taurite i waenga i ngā mea e rua.

Ko te tikanga, he mea hanga te via PCB hei poka-mā roto (mai i te mata o runga ki te paparanga o raro). Ina whakatatahia te raina PCB e hono ana i te via ki te paparanga o runga, ka puta he wehenga "pūpū" i te via o te hononga honohono PCB, ka puta he whakaata tohu, ā, ka pā ki te kounga tohu. He nui ake te pānga o tēnei ki ngā tohu i ngā tere teitei ake.

Ko te hangarau keri whakamuri e pā ana ki te whakamahinga o ngā tikanga keri whakahaere hohonu, mā te whakamahi i te tikanga keri tuarua hei keri i ngā pakitara o te kōhao Stub o te hononga, o te tohu rānei.

E ai ki te pikitia i raro nei, i muri i te hanganga o te kōhao-roto, ka tangohia te Stub taikaha o te kōhao-roto PCB mā te keri tuarua mai i te "taha o muri". Ko te tikanga, me nui ake te diameter o te mata keri muri i te rahi o te kōhao-roto, ā, ko te taumata manawanui hohonu o te tukanga keri me hangai ki te kaupapa o te "kaua e kino te hononga i waenga i te kōhao PCB me te waea", me whakarite kia "iti rawa te roa o te stub e toe ana", e kiia nei ko te "keri whakahaere hohonu".

Te hoahoa kauwhata o te wāhanga Backdrill puta noa i te poka

Ko te mea kei runga ake nei he hoahoa kauwhata o te wāhanga BackDrill puta noa i te kōhao. Ko te taha maui he tohu puta noa i te kōhao, kei te taha matau he hoahoa kauwhata o te kōhao puta noa i muri i te BackDrill, e tohu ana i te keri mai i te paparanga o raro tae noa ki te paparanga tohu kei reira te tohu.

Ka taea e te hangarau keri whakamuri te tango i te pānga kaha pirinoa i puta mai i ngā pou pakitara kōhao, kia rite ai te waea me te aukati i te kōhao-mā roto i te hononga hongere, kia whakaitihia ai te whakaata tohu, ā, kia pai ake ai te kounga tohu.

Ko te keri tuara te hangarau tino iti te utu i tēnei wā, ā, koinei hoki te mea tino whai hua mō te whakapai ake i te mahi tuku hongere. Mā te whakamahi i te hangarau keri tuara ka piki ake te utu o te hanga PCB ki tētahi taumata.

E rua ngā momo o te keri whakamuri: te keri whakamuri taha kotahi me te keri whakamuri taha rua.

Ka taea te wehewehe i te keri taha kotahi ki te keri whakamuri mai i te mata o runga, i te mata o raro rānei. Ka taea anake te keri whakamuri i te kōhao PIN o te pine mono hononga mai i te taha e anga atu ana ki te mata kei reira te hononga. Ina whakaritea ngā hononga tohu tere-teitei ki runga i ngā mata o runga me raro o te PCB, me keri whakamuri taha-rua.

1) Whakaitihia te pokanoa o te haruru;

2) Whakapai ake i te pono o te tohu;

3) Ka heke te matotoru o te papa ā-rohe;

4) Whakaitihia te whakamahinga o ngā ara huna/ara matapo hei whakaiti i te uauatanga o te hanga PCB.

He aha te mahi a te keri whakamuri?

Ko te mahi a te keri whakamuri he keri i ngā wāhanga mā roto i te kōhao kāore he hononga, he mahi tuku rānei hei karo i te whakaata, te marara, te whakaroa, me ētahi atu i roto i te tuku tohu tere-tiketike.

Te tukanga keri whakamuri

a. He kōhao tūnga kei runga i te PCB, e whakamahia ana mō te tūnga keri tuatahi me te keri kōhao tuatahi o te PCB;

b. Whakakikoruatia te PCB i muri i te keri tuatahi o te kōhao, ā, hiritia te kōhao tūnga i mua i te whakakikoruatia ki te kiriata maroke;

c. Waihangahia he tauira o waho ki runga i te PCB kua whakakikoruatia ki te hiko;

d. Whakatakotoria he tauira whakakikorua ki te PCB i muri i te hanganga o te tauira paparanga o waho;

e. Whakamahia te kōhao tūnga i whakamahia e te keri tuatahi mō te tūnga keri whakamuri, ā, whakamahia he mata keri mō te keri whakamuri;

f. Horoia te poka i keria ki muri ki te wai hei tango i ngā para e toe ana i roto.