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standard core and prepreg thickness ??

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kabaleevisu

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Hi everyone,

i have some doubt in Layer stack-up.
core and preperg thickness will be vary depends on Manufacturer ???
or
any standard thickness will be available ??
is all manufacturer following same standard thickness core and preperg ??
please guide any one
 

kabaleevisu said:
Hi everyone,

i have some doubt in Layer stack-up.
core and preperg thickness will be vary depends on Manufacturer ???
or
any standard thickness will be available ??
is all manufacturer following same standard thickness core and preperg ??
please guide any one
Click to expand...

Not all manufacturer follow the same standard thickness core and preperg.
Each maker will choose the best choice for the stack-up according to its available core and PP in their warehouse if there is no special requirements from the customers. So maybe the stardard is also different.
Sometimes different stackup may cause some different performance, the desinger should be familiar with the different core and pp in design.
You could provide the maker with your stackup according to the design requirements and the maker will give you advice then.
 

the document is not opening ??

- - - Updated - - -

which IPC standard using for core and preperg ??
 

size is bigger.it takes some time to download

sorry looks like some issue with the file..even I am not able to download fully..
 

kabaleevisu said:
the document is not opening ??

- - - Updated - - -

which IPC standard using for core and preperg ??
Click to expand...



hi,


plz go thru the link given below......


**broken link removed**
 

3.6.2 Metal-clad Laminates
Unless otherwise specified, metal-clad laminates for Type 1 and 2 printed boards and individual layers for type 3 through Type 6 shall be in accordance with IPC-4101/24 (NEMA FR4, MIL-S-13949/04 GFR/GFG) and have a glass transition temperature (Tg) above 150oC. Other materials should not be used without prior approval.
3.6.3 Bonding Material
The inner-layer bonding material for Type 3 through Type 6 printed boards shall be pre-impregnated and of the same type as the base laminate above.

IPC-4101 to 24
 

soppcb said:
Not all manufacturer follow the same standard thickness core and preperg.
Each maker will choose the best choice for the stack-up according to its available core and PP in their warehouse if there is no special requirements from the customers. So maybe the stardard is also different.
Sometimes different stackup may cause some different performance, the desinger should be familiar with the different core and pp in design.
You could provide the maker with your stackup according to the design requirements and the maker will give you advice then.
Click to expand...

Maybe you could check this for your reference: **broken link removed**
 

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