Karolo ea karolo e ‘ngoe le e’ ngoe ka boto ea PCB le mehopolo ea moralo

Ba bangata ba PCB ba chesehelang moralo, haholo ba qalang, ha ba utloisise ka botlalo likarolo tse fapaneng tsa moralo oa PCB. Ha ba tsebe mosebetsi le tšebeliso ea eona. Mona ke tlhaloso e hlophisitsoeng bakeng sa motho e mong le e mong:

1. Lera la mochini, joalo ka ha lebitso le bolela, ke ponahalo ea boto eohle ea PCB bakeng sa sebopeho sa mochini. Ha e le hantle, ha re bua ka lera la mechine, re bolela ponahalo ea kakaretso ea boto ea PCB. E ka boela ea sebelisoa ho beha litekanyo tsa boto ea potoloho, matšoao a data, matšoao a ho tsamaisana, litaelo tsa kopano le lintlha tse ling tsa mochine. Tlhahisoleseding ena e fapana ho latela litlhoko tsa khamphani ea moralo kapa moetsi oa PCB. Ntle le moo, lera la mochini le ka eketsoa ho likarolo tse ling ho hlahisa le ho bonts’a hammoho.

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2. Boloka ka ntle lera (e hanetsoeng wiring layer), e sebelisetsoang ho hlalosa sebaka seo likarolo le lithapo li ka behoang ka katleho ho boto ea potoloho. Thala sebaka se koetsoeng karolong ena e le sebaka se sebetsang hantle sa ho tsamaisa litsela. Ponahalo ea othomathiki le litsela ha li khonehe ka ntle ho sebaka sena. Lera le hanetsoeng la wiring le hlalosa moeli ha re beha litšobotsi tsa motlakase tsa koporo. Ka mantsoe a mang, ka mor’a hore re qale ho hlalosa lera le hanetsoeng, ts’ebetsong ea nako e tlang, mohala o nang le litšobotsi tsa motlakase o ke ke oa feta mohala o thibetsoeng. Moeling oa lera, hangata ho na le tloaelo ea ho sebelisa lera la Keepout joalo ka mochini oa mochini. Mokhoa ona ha e le hantle o fosahetse, kahoo ho kgothaletswa hore o etse phapang, ho seng joalo fektheri ea boto e tla tlameha ho fetola litšobotsi bakeng sa hau nako le nako ha u hlahisa.

3. Lera la pontšo: Lera la pontšo le sebelisoa haholo-holo ho hlophisa lithapo holim’a boto ea potoloho. Ho kenyeletsoa lera le ka holimo (ka holimo), lera le ka tlase (lera le ka tlase) le 30 MidLayer (lera le bohareng). Likarolo tse ka holimo le tse ka tlase li beha lisebelisoa, ‘me likarolo tse ka hare li tsamaisoa.

4. Top paste and Bottom paste are the top and bottom pad stencil layers, which are the same size as the pads. This is mainly because we can use these two layers to make the stencil when we do SMT. Just dug a hole the size of a pad on the net, and then we cover the stencil on the PCB board, and apply the solder paste evenly with a brush with solder paste, as shown in Figure 2-1.

5. Top Solder le Bottom Solder Ena ke mask a solder ho thibela oli e tala hore e se ke ea koaheloa. Hangata re re “bula fensetere”. Koporo e tloaelehileng kapa wiring e koahetsoe ka oli e tala ka ho sa feleng. Haeba re sebelisa mask a solder ka tsela e nepahetseng Haeba e tšoaroa, e tla thibela oli e tala ho e koahela le ho pepesa koporo. Phapang pakeng tsa tse peli e ka bonoa setšoantšong se latelang:

6. Lera la sefofane sa ka hare (matla a ka hare / fatše): Mofuta ona oa lera o sebelisoa feela bakeng sa mapolanka a mangata, haholo-holo a sebelisetsoang ho hlophisa lithapo tsa motlakase le melapo ea fatše. Re bitsa liboto tse nang le mekhahlelo e ‘meli, liboto tse mekato e mene, le liboto tsa mekato e tšeletseng. Palo ea likarolo tsa matšoao le matla a ka hare / matla a fatše.

7. Silkscreen layer: The silkscreen layer e sebediswa haholo ho beha tlhahisoleseding e hatisitsweng, jwalo ka component outline and labels, annotation characters, jwalojwalo. Altium e fana ka masela a mabedi a silika, Top Overlay le Bottom Overlay, ho beha difaele tse ka hodimo tsa silika le. lifaele tsa skrineng sa silika tse tlase ka ho latellana.

8. Multi-layer (multi-layer): Li-pads le li-vias tse phunyeletsang holim’a boto ea potoloho li tlameha ho kenella ka har’a boto ea potoloho ‘me li thehe likhokahano tsa motlakase tse nang le likarolo tse fapaneng tsa conductive. Ka hona, tsamaiso e thehile abstract layer-multi-layer . Ka kakaretso, li-pads le vias li tlameha ho hlophisoa ka mekhahlelo e mengata. Haeba lera lena le koetsoe, li-pads le vias li ke ke tsa hlahisoa.

9. Drawing Drawing (ho cheka lera): Lera la ho phunya le fana ka tlhahisoleseding ea ho phunya nakong ea ts’ebetso ea tlhahiso ea boto ea potoloho (e kang li-pads, vias li hloka ho phunngoa). Altium e fana ka mekhahlelo e ‘meli ea ho cheka: Grill ea ho cheka le setšoantšo sa Drill.