C4740S

Description

C4740S is a general-purpose Ag/Pt conductor for use on alumina and BeO substrates. C4740S is suitable as a termination for all Heraeus air fireable resistor systems and also performs well as an inner layer conductor in mutilayer applications. C4740S can be printed at speeds up to 12 inches per second and is capable of resolving fine lines as narrow as 5 mils.

Key Features

Outstanding adhesion to alumina and beryllium oxide substrates Excellent performance at high print speeds Excellent solderability

Metal

AgPt

Viscosity

90 – 140 Kcps Brookfield HBTSC4 – 14 spindle, 6R utility cup at10 rpm, 25 °C

Coverage

106 cm2 /g at 14 microns fired film thickness

Coverage

106 cm2 /g at 14 microns fired film thickness

Storage and Paste Preparation

Store in a dry location at 5°C-25°C

Warranty

6 months

Printing Parameters

280 stainless steel mesh screen 0.5 mil emulsion.

Drying Temperature

Allow parts to level at room temperature for 5 minutes 150°C for 10 minutes

Process Temperature (TDS)

850 °C peak temperatureDwell time of 10 minutes

Film Thickness

11– 15 μm