materials module#

class FR4_7628(*, name=None, thickness=None, representing=None)[source]#

Bases: Dielectric

FR4 Prepreg 7628 - JLC PCB Specified

Parameters:

name (str | None)
thickness (float | None)
representing (type[Feature] | None)

dielectric_coefficient: ClassVar[float | None] = 4.4#

loss_tangent: ClassVar[float | None] = 0.0168#

class FR4_3314(*, name=None, thickness=None, representing=None)[source]#

Bases: Dielectric

FR4 Prepreg 3314 - JLC PCB Specified

Parameters:

name (str | None)
thickness (float | None)
representing (type[Feature] | None)

dielectric_coefficient: ClassVar[float | None] = 4.1#

loss_tangent: ClassVar[float | None] = 0.0168#

class FR4_1080(*, name=None, thickness=None, representing=None)[source]#

Bases: Dielectric

FR4 Prepreg 1080 - JLC PCB Specified

Parameters:

name (str | None)
thickness (float | None)
representing (type[Feature] | None)

dielectric_coefficient: ClassVar[float | None] = 3.91#

loss_tangent: ClassVar[float | None] = 0.0178#

class FR4_2116(*, name=None, thickness=None, representing=None)[source]#

Bases: Dielectric

FR4 Prepreg 2116 - JLC PCB Specified

Parameters:

name (str | None)
thickness (float | None)
representing (type[Feature] | None)

dielectric_coefficient: ClassVar[float | None] = 4.16#

loss_tangent: ClassVar[float | None] = 0.0168#

class FR4_Core(*, name=None, thickness=None, representing=None)[source]#

Bases: Dielectric

FR4 Core - JLC PCB Specified

Parameters:

name (str | None)
thickness (float | None)
representing (type[Feature] | None)

dielectric_coefficient: ClassVar[float | None] = 4.6#

loss_tangent: ClassVar[float | None] = 0.0168#

class SoldermaskMaterial(*, name=None, thickness=None, representing=None)[source]#

Bases: Dielectric

Soldermask - JLC PCB Specified

Parameters:

name (str | None)
thickness (float | None)
representing (type[Feature] | None)

dielectric_coefficient: ClassVar[float | None] = 3.8#

loss_tangent: ClassVar[float | None] = 0.02#

representing#: alias of Soldermask