QT designed instrumentation -sample carrier pcboards



pcboards: substrate "FR4" (glassfibre-epoxy) conductors:Cu or Cu/Sn/Pb or Cu/Sn/Au(bondable)

QDCAR2 dc-lines + rf-gate
size: 14.3 by 12.5 mm. thickness: 0.25mm

QDCAR2b dc-lines + bias-tee on rf-gate
size: 14.3 by 12.5 mm. thickness: 0.25mm

QDCAR3 dc-lines + rf-gate
size: ? by ? mm. thickness: 0.25mm

QDCAR4b dc-lines + 2 rf-Gates
size: ? by ? mm. thickness: 0.25mm

cryogenic Bias-Tee 5Hz-2.5GHz (gate)
size: ? by ? mm. board thickness: 0.8mm

side view circuit
cryogenic Bias-Tee
size: ? by ? mm. board thickness: 0.8mm

cryogenic Bias-Tee risetime 46pS
size: ? by ? mm. thickness: 0.8mm

sample holder ("cold finger") with wire&grounding connector


CARTEM3 holder for sample TEM-microscope
size: ? by ? mm. thickness: 0.8mm

Microwave sample carrier (Patrice) ceramic substrate


CARDIAM1 holder square glass sample plate
size: ? by ? mm. thickness: 3.2mm, cutout for objective, transmission lines to sample

CARAD1 for microwave resonator
size: ? by ? mm. thickness: 1.6mm, partial cutout for chip

CARHAN1 12 pulse line connections
size: ? by ? mm. thickness: 1.6/0.8 mm,
CARAFM1 afm-sample holder
size: ? by ? mm. thickness: 1.6mm, cutout for sample

dc-block (5kHz-2GHz)
size: ? by ? mm. thickness: 1.6mm

CARUMB1 sample holder, backgate-electrode
size: ? by ? mm. thickness: 1.6mm

PDETCAR1 single photon det. carrier SMA
size: 20mm circ. thickness: 1.6mm

PDETCAR3 single photon 2det. carrier SMA
size: 30mm circ. thickness: 1.6mm

FBW socket+connector
size: ? by ? mm. thickness: 1.6mm

RABCAR2 SMA connectors, rf-resonance in/out/ +microwave
size: 23.7 by 22.4 mm. thickness: 1.6mm, cutout for sample

RABCAR3 SMA connectors, rf-resonance in/out/ +microwave
size: 23.7 by 22.4 mm. thickness: 1.6mm

LCCCAR headerpins (32x) +gnd pins to LCC-socket(not mounted)
size: ? by ? mm. thickness: 1.6mm

cryogenic RC+RC filter for sample wires
size: ? by ? mm. thickness: 1.6mm

measured filtercurve in 1Mohm load
pcboard topview
pcboard bottomview
rc-values example1
rc-values example2
cryogenic RC+RC filter for sample wires (rc400ha)
size: ? by ? mm thickness:

cryogenic RC+RC filter for sample wires (rc12han2)
size: ? by ? mm thickness:
cryogenic RC+RC filter for sample wires (rcsergey1) size: ? by ? mm thickness:

cryogenic RC+RC filter for sample wires size: ? by ? mm thickness:

TRLINE1 testboard with SMA-connectors
size: ? by ? mm. thickness: 1.6mm

24PCAR1 fits on standard 24pin chipsocket
size: 30.7 by 18 mm. thickness: 1.6mm

LEFT-OVERS, buy now!!
smb-connector to sample opto test (7left)
parallel tracks on 1mm distance 23.3x50.2mm (9 left)
just what you need (7 left)
no idea, looks like INCA-drawing (4 left)
commercial adaptor boards
thickness: 1.6mm
60pin
24pin
44pin
32pin
24pin