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Micro-mic PCB丨Buried capacitance,buried resistor board,embedded capacitor pcb


Typical Index

Process Capability

Typical value

Layers

≤4L

4L

Size

≤3mm*4mm

2.95mm×3.76mm

Total Thickness

0.20mm-0.40mm

0.25mm

DHS

0.10mm/0.15mm

0.15mm

Embedded resistance

Ohmega Ply

Ohmega Ply 

0.5A50PT RCM

Embedded capacitor

3M C-Ply

/Oak-Mitsui Farad Flex

3M C-Ply C0614

Resolution for ER

±15%

100Ω±15%

Resolution for EC

±15%

42pF±15%

SM thk. 

20±5μm

20±5μm

Surface treatment

ENEPIG/ENIG

ENEPIG

Application

Smart phone, blue tooth earphone, wearable equipment, tablets, etc. 


The demand for higher performance and low signal loss of electronic products continues to drive the development of electronic systems with passive components embedded in Multilayer PCB.
Resistor is an important passive component in circuit. The embedded resistance PCB realizes this purpose by removing the discrete passive components from the PCB surface and placing them in the PCB. This frees up surface space for more active components that can add functionality.
The embedded capacitor PCB or called buried capacitor PCB improves the electrical performance, releases the surface space and eliminates the solder joints. In addition, in order to meet the needs of electronic equipment, including higher frequency, lower voltage and greater current, end users need enhanced functions, smaller overall dimensions and lower cost. The current standard capacitor materials used in high-end computing industry are mainly 50 μ m (2mil) dielectric thickness materials, which are mainly used in telecommunication and network applications.
Embedded passive components must have a specified value, and the value must have a tolerance that allows PCB design to meet electrical timing and circuit signal quality. Embedded resistors or capacitors are included in PCB design, which can optimize the placement of passive components in the circuit. Rocket PCB usually uses embedded resistor materials, including ohmegaply, Shipley (insite), ticer (TCR). And embedded capacitor materials, including 3M (c-ply), oak-mitsui (bc12tm), DuPont company (HK Series), senmina (BC-2000), ticer (TCC).

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