CPC G01R 31/2849 (2013.01) [G01R 31/2844 (2013.01); H04N 17/004 (2013.01)] | 8 Claims |
1. A test card, comprising:
an assembling plate; and
an electrical heat source provided on the assembling plate, the electrical heat source comprising:
a first heat transfer plate stacked on the assembling plate;
a second heat transfer plate laminated over the first heat transfer plate; and
at least one heat source element sandwiched between the first heat transfer plate and the second heat transfer plate;
wherein the assembling plate has a first abutment surface, an accommodating recess and multiple cable management grooves, both the accommodating recess and the cable management grooves recessed from the first abutment surface, the multiple cable management grooves provided on at least one side of the accommodating recess, and wherein the electrical heat source is provided in the accommodating recess, and a wire of the at least one heat source element is received in at least one of the cable management grooves.
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