摘要:
Disclosed is an integrated circuit (IC) comprising a substrate (10) carrying a plurality of circuit elements; a metallization stack (12, 14, 16) interconnecting said circuit elements, said metallization stack comprising a patterned upper metallization layer comprising at least one sensor electrode portion (20) and a bond pad portion (22), at least the at least one sensor electrode portion of said patterned upper metallization layer being covered by a moisture barrier film (23); a passivation stack (24, 26, 28) covering the metallization stack, said passivation stack comprising a first trench (32) exposing the at least one sensor electrode portion and a second trench (34) exposing the bond pad portion; said first trench being filled with a sensor active material (36). A method of manufacturing such an IC is also disclosed.
摘要:
Disclosed is an integrated circuit comprising an electrode arrangement (30, 32) for detecting the presence of a liquid, said electrode arrangement comprising a first electrode (30) and a second electrode (32), wherein, prior to exposure of the electrode arrangement to said liquid, a surface of at least one of the first electrode and second electrode is at least partially covered by a compound (40) that is soluble in the liquid; the electrical properties of the electrode arrangement being dependent on the amount of the compound covering said surface. An package and electronic device comprising such an IC and a method of manufacturing such an IC are also disclosed.
摘要:
One example discloses a chip, comprising: a substrate (102, 202, 302, 602, 802); a first side of a passivation layer (206, 604, 804) coupled to the substrate (102, 202, 302, 602, 802); a device, having a device height and a cavity, wherein a first device surface is coupled to a second side of the passivation layer (206, 604, 804) which is opposite to the first side of the passivation layer (206, 604, 804); and a set of structures (108, 110, 214, 306, 410, 502, 504, 612, 614, 702, 812) coupled to the second side of the passivation layer (206, 604, 804) and configured to have a structure height greater than or equal to the device height.
摘要:
An integrated circuit and a method of making the same. The integrated circuit includes a semiconductor substrate having a major surface. The integrated circuit also includes a thermal conductivity based gas sensor having an electrically resistive sensor element located on the major surface for exposure to a gas to be sensed. The integrated circuit further includes a barrier located on the major surface for inhibiting a flow of the gas across the sensor element.
摘要:
One example discloses a chip, comprising: a substrate (102, 202, 302, 602, 802); a first side of a passivation layer (206, 604, 804) coupled to the substrate (102, 202, 302, 602, 802); a device, having a device height and a cavity, wherein a first device surface is coupled to a second side of the passivation layer (206, 604, 804) which is opposite to the first side of the passivation layer (206, 604, 804); and a set of structures (108, 110, 214, 306, 410, 502, 504, 612, 614, 702, 812) coupled to the second side of the passivation layer (206, 604, 804) and configured to have a structure height greater than or equal to the device height.
摘要:
A thermal conductivity gas sensor includes a sensing element and an amplification material coupled to the sensing element. The amplification material has a target gas dependent thermal diffusivity. The sensing element measures the thermal diffusivity of the amplification material to determine a target gas concentration.