PCB ho hatella mathata a tloaelehileng

1. E tšoeu, e senola sebopeho sa lesela la khalase

bothata bo baka:

1. Mokelikeli oa resin o phahame haholo;

2. Khatello ea pele e phahame haholo;

3. Nako ea ho eketsa khatello e phahameng e fosahetse;

4. Likahare tsa resin tsa letlapa la tlamahano li tlaase, nako ea gel e telele, ‘me metsi a mangata a monate;

tharollo:

1. Fokotsa mocheso kapa khatello;

2. Fokotsa khatello ea pele;

3. Sheba ka hloko ho phalla ha resin nakong ea lamination, ka mor’a phetoho ea khatello le ho phahama ha mocheso, fetola nako ea ho qala ea ho sebelisa khatello e phahameng;

4. Fetola khatello ea pele \ mocheso le nako ea ho qala ea khatello e phahameng;

Ea bobeli, e phophoma, e phophomang

bothata bo baka:

1. Khatello ea pele e tlase;

2. Mocheso o phahame haholo ‘me nako pakeng tsa khatello ea pele le khatello e feletseng e telele haholo;

3. Viscosity e matla ea resin e phahame, ‘me nako ea ho eketsa khatello e feletseng e se e le morao haholo;

4. Litaba tse feto-fetohang li phahame haholo;

5. Sebaka sa ho tlama ha se hloeke;

6. Ho se tsamaee hantle kapa ho se lekane pele khatello ea kelello;

7. Mocheso oa boto o tlaase.

tharollo:

1. Eketsa khatello ea pele;

2. Pholisa, eketsa khatello ea pele kapa khutsufatsa potoloho ea pele ho khatello;

3. Lekhalo la kamano ea nako le ts’ebetso le lokela ho bapisoa ho etsa hore khatello, mocheso le metsi li tsamaisane;

4. Fokotsa potoloho ea pele ho compression le ho fokotsa sekhahla sa ho phahama ha mocheso, kapa ho fokotsa lintho tse sa tsitsang;

5. Matlafatsa matla a ts’ebetso ea ho hloekisa phekolo.

6. Eketsa khatello ea pele kapa u nke sebaka sa lakane ea bonding.

7. Sheba papali ea mocheso ‘me u fetole mocheso oa stamper e chesang

3. Ho na le likoti, resin le wrinkles holim’a boto

bothata bo baka:

1. Ts’ebetso e sa nepahalang ea LAY-UP, litšila tsa metsi holim’a poleiti ea tšepe e sa kang ea hlakoloa e omme, e etsang hore foil ea koporo e soabane;

2. Sebaka sa boto se lahleheloa ke khatello ha u hatella boto, e leng se bakang tahlehelo e feteletseng ea resin, ho hloka sekhomaretsi tlas’a foil ea koporo, le wrinkles holim’a foil ea koporo;

tharollo:

1. Hloekisa poleiti ea tšepe ka hloko ‘me u boreleli holim’a foil ea koporo;

2. Ela hloko ho lumellana ha lipoleiti tse ka holimo le tse tlaase ka lipoleiti ha u hlophisa lipoleiti, fokotsa khatello ea ho sebetsa, sebelisa filimi e tlaase ea RF%, khutsufatsa nako ea ho phalla ha resin le ho potlakisa lebelo la ho futhumatsa;

Ea bone, lera le ka hare Grafiken fetoha

bothata bo baka:

1. Mohlala o ka hare oa foil oa koporo o na le matla a tlaase a ho ebola kapa ho hanyetsa mocheso o fokolang kapa bophara ba mohala o mosesaane haholo;

2. Khatello ea pele e phahame haholo; viscosity e matla ea resin e nyane;

3. Setšoantšo sa khatiso ha se bape;

tharollo:

1. Fetohela ho boto ea boleng bo phahameng ea ka hare-rayer foil-clad;

2. Fokotsa khatello ea pele kapa u nke sebaka sa lakane ea sekhomaretsi;

3. Fetola thempleite;

Tse hlano, botenya bo sa leka-lekaneng, ho thella ha lera le ka hare

bothata bo baka:

1. Botenya bohle ba poleiti ea ho etsa fensetere e tšoanang bo fapane;

2. Phapang ea botenya e bokelitsoeng ea boto e hatisitsoeng ka boto ea ho theha e kholo; ho ts’oana ha template ea ho hatella ho chesang ho futsanehile, boto ea laminated e ka tsamaea ka bolokolohi, ‘me stack eohle e tsoa bohareng ba setšoantšo se chesang se chesang;

tharollo:

1. Fetola botenya bo lekanang kaofela;

2. Fetola botenya, khetha laminate ea koporo e nang le botenya bo fokolang; fetola ho ts’oana ha boto ea filimi e hatelitsoeng ka ho chesa, fokotsa bolokolohi ba likarabo tse ngata bakeng sa boto ea laminated, ‘me u leke ho beha laminate sebakeng se bohareng sa template e hatelitsoeng ka hot;

Botšelela, ho kheloha ha interlayer

bothata bo baka:

1. Ho atolosoa ha mocheso oa thepa e ka hare ea lera le ho phalla ha resin ea lakane ea ho tlama;

2. Ho fokotseha ha mocheso nakong ea lamination;

3. Coefficient ea ho atolosa mocheso oa thepa ea laminate le template e fapane haholo.

tharollo:

1. Laola litšobotsi tsa letlapa la sekhomaretsi;

2. Letlapa le kentse mocheso esale pele;

3. Sebelisa boto e ka hare ea koporo le lakane ea ho kopanya e nang le botsitso bo botle.

Supa, plate curvature, plate warpage

bothata bo baka:

1. Sebopeho sa asymmetric;

2. Ho sa lekana ho folisa potoloho;

3. Tataiso ea ho itšeha ea lakane ea tlamahano kapa laminate e ka hare ea koporo ha e lumellane;

4. Boto ea li-multi-layer e sebelisa lipoleiti kapa li-bonding sheets tse tsoang ho bahlahisi ba fapaneng.

5. Boto ea li-multilayer e sebetsoa ka mokhoa o sa lokelang ka mor’a ho phekola le ho lokolla khatello

tharollo:

1. Ikitlaelletse bakeng sa symmetrical wiring moralo segokanyipalo le symmetrical placement ea bonding sheets ka lamination;

2. Tiisetsa potoloho ea pheko;

3. Loanela ho fumana tataiso e tsitsitseng ea ho itšeha.

4. Ho tla ba molemo ho sebelisa lisebelisoa tse hlahisoang ke moetsi ea tšoanang ka hlobo e kopantsoeng

5. Boto ea multilayer e futhumatsoa ka holimo ho Tg tlas’a khatello, ebe e bolokoa tlas’a khatello ‘me e pholile ho ea ka tlas’a mocheso oa kamore.

Borobeli, stratification, mocheso stratification

bothata bo baka:

1. Mongobo o phahameng kapa lintho tse fetohang ka har’a lera le ka hare;

2. Lintho tse phahameng tse sa tsitsang ka har’a letlapa la sekhomaretsi;

3. Tšilafalo ea bokaholimo bo ka hare; tšilafalo ea lintho tse tsoang linaheng tse ling;

4. Bokaholimo ba lera la oxide ke alkaline; ho na le masala a chlorite holim’a metsi;

5. Oxidation ha e tloaelehe, ‘me kristale ea oxide layer e telele haholo; phekolo ea pele ha e e-s’o thehe sebaka se lekaneng sa holimo.

6. Phallo e sa lekaneng

tharollo:

1. Pele ho lamination, chesa lera le ka hare ho tlosa mongobo;

2. Ntlafatsa tikoloho ea polokelo. Letlapa la sekhomaretsi le tlameha ho sebelisoa ka nako ea metsotso e 15 ka mor’a hore le tlosoe sebakeng sa ho omisa ka vacuum;

3. Ntlafatsa ts’ebetso ‘me u qobe ho ama sebaka se sebetsang sa bonding;

4. Matlafatsa ho hloekisa ka mor’a ts’ebetso ea oxidation; hlokomela boleng ba PH ba metsi a hloekisang;

5. Fokotsa nako ea oxidation, lokisa mohopolo oa tharollo ea oxidation kapa u sebetse mocheso, eketsa micro-etching, ‘me u ntlafatse boemo ba holim’a metsi.

6. Latela litlhoko tsa ts’ebetso