Portfolio - Circuit Foil

At Circuit Foil, we carefully listen to our clients to deliver high-quality end products.

Circuit Foil produces a full range of quality foils to meet the requirements of today’s and tomorrow’s electronics industry.

End-user Applications

IC Substrates / SLP

High Density Interconnect

High Speed Digital & Low Loss

High Frequency

Aerospace

Li-Ion Batteries

Flexible

Smart Cards

Copper Foil by Selected Criteria

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Application	Profile	Side Treated	Product	Nominal Thickness (µm)	Nominal Thickness (oz)	Treated Side Roughness ISO (µm)	Treated Side Roughness JIS (µm)
IC Substrates / SLP	Ultra Flat Profile	Ultrathin Carrier Supported	DOUBLETHIN ANP	1.5/12	0.04	≤ 1.5	≤ 1.2
IC Substrates / SLP	Ultra Flat Profile	Ultrathin Carrier Supported	DOUBLETHIN ANP	1.5/18	0.04	≤ 1.5	≤ 1.2
IC Substrates / SLP	Ultra Flat Profile	Ultrathin Carrier Supported	DOUBLETHIN ANP	2/12	0.06	≤ 1.5	≤ 1.2
IC Substrates / SLP	Ultra Flat Profile	Ultrathin Carrier Supported	DOUBLETHIN ANP	2/18	0.06	≤ 1.5	≤ 1.2
IC Substrates / SLP	Ultra Flat Profile	Ultrathin Carrier Supported	DOUBLETHIN ANP	3/18	0.09	≤ 1.5	≤ 1.2
IC Substrates / SLP	Ultra Flat Profile	Ultrathin Carrier Supported	DOUBLETHIN ANP	3/35	0.09	≤ 1.5	≤ 1.2
IC Substrates / SLP	Ultra Flat Profile	Ultrathin Carrier Supported	DOUBLETHIN ANP	5/18	0.14	≤ 1.5	≤ 1.2
IC Substrates / SLP	Ultra Flat Profile	Ultrathin Carrier Supported	DOUBLETHIN ANP	5/35	0.14	≤ 1.5	≤ 1.2
IC Substrates / SLP	Ultra Flat Profile	Ultrathin Carrier Supported	DOUBLETHIN ANPS	1.5/12	0.04	≤ 1.5	≤ 1.2
IC Substrates / SLP	Ultra Flat Profile	Ultrathin Carrier Supported	DOUBLETHIN ANPS	1.5/18	0.04	≤ 1.5	≤ 1.2
IC Substrates / SLP	Ultra Flat Profile	Ultrathin Carrier Supported	DOUBLETHIN ANPS	2/12	0.06	≤ 1.5	≤ 1.2
IC Substrates / SLP	Ultra Flat Profile	Ultrathin Carrier Supported	DOUBLETHIN ANPS	2/18	0.06	≤ 1.5	≤ 1.2
IC Substrates / SLP	Ultra Flat Profile	Ultrathin Carrier Supported	DOUBLETHIN ANPS	3/18	0.09	≤ 1.5	≤ 1.2
IC Substrates / SLP	Ultra Flat Profile	Ultrathin Carrier Supported	DOUBLETHIN ANPS	3/35	0.09	≤ 1.5	≤ 1.2
IC Substrates / SLP	Ultra Flat Profile	Ultrathin Carrier Supported	DOUBLETHIN ANPS	5/18	0.14	≤ 1.5	≤ 1.2
IC Substrates / SLP	Ultra Flat Profile	Ultrathin Carrier Supported	DOUBLETHIN ANPS	5/35	0.14	≤ 1.5	≤ 1.2
IC Substrates / SLP	Ultra Flat Profile	Ultrathin Carrier Supported	DOUBLETHIN N-TZA	1.5/18	0.04	≤ 2.2	≤ 1.8
IC Substrates / SLP	Ultra Flat Profile	Ultrathin Carrier Supported	DOUBLETHIN N-TZA	2/12	0.06	≤ 2.2	≤ 1.8
IC Substrates / SLP	Ultra Flat Profile	Ultrathin Carrier Supported	DOUBLETHIN N-TZA	2/18	0.06	≤ 2.2	≤ 1.8
IC Substrates / SLP	Ultra Flat Profile	Ultrathin Carrier Supported	DOUBLETHIN N-TZA	3/18	0.09	≤ 2.2	≤ 1.8
IC Substrates / SLP	Ultra Flat Profile	Ultrathin Carrier Supported	DOUBLETHIN N-TZA	3/35	0.09	≤ 2.2	≤ 1.8
IC Substrates / SLP	Ultra Flat Profile	Ultrathin Carrier Supported	DOUBLETHIN N-TZA	5/18	0.14	≤ 2.2	≤ 1.8
IC Substrates / SLP	Ultra Flat Profile	Ultrathin Carrier Supported	DOUBLETHIN N-TZA	5/35	0.14	≤ 2.2	≤ 1.8
IC Substrates / SLP	Ultra Flat Profile	Ultrathin Carrier Supported	DOUBLETHIN-CL	1.5/12	0.04	≤ 2.1	≤ 1.7
IC Substrates / SLP	Ultra Flat Profile	Ultrathin Carrier Supported	DOUBLETHIN-CL	1.5/18	0.04	≤ 2.1	≤ 1.7
IC Substrates / SLP	Ultra Flat Profile	Ultrathin Carrier Supported	DOUBLETHIN-CL	2/12	0.06	≤ 2.1	≤ 1.7
IC Substrates / SLP	Ultra Flat Profile	Ultrathin Carrier Supported	DOUBLETHIN-CL	2/18	0.06	≤ 2.1	≤ 1.7
IC Substrates / SLP	Ultra Flat Profile	Ultrathin Carrier Supported	DOUBLETHIN-CL	3/18	0.09	≤ 2.1	≤ 1.7
IC Substrates / SLP	Ultra Flat Profile	Ultrathin Carrier Supported	DOUBLETHIN-CL	3/35	0.09	≤ 2.1	≤ 1.7
IC Substrates / SLP	Ultra Flat Profile	Ultrathin Carrier Supported	DOUBLETHIN-CL	5/18	0.14	≤ 2.1	≤ 1.7
IC Substrates / SLP	Ultra Flat Profile	Ultrathin Carrier Supported	DOUBLETHIN-CL	5/35	0.14	≤ 2.1	≤ 1.7
IC Substrates / SLP	Ultra Flat Profile	Mat Side Treated	BF-TZA-PKG	9	1/4	≤ 3.1	≤ 2.5
IC Substrates / SLP	Ultra Flat Profile	Mat Side Treated	BF-TZA-PKG	12	3/8	≤ 3.1	≤ 2.5
IC Substrates / SLP	Ultra Flat Profile	Mat Side Treated	BF-TZA-PKG	18	1/2	≤ 3.1	≤ 2.5
High Density PCB	Ultra Flat Profile	Ultrathin Carrier Supported	DOUBLETHIN N-TZA	1.5/12	0.04	≤ 2.2	≤ 1.8
High Density PCB	Ultra Flat Profile	Ultrathin Carrier Supported	DOUBLETHIN N-TZA	1.5/18	0.04	≤ 2.2	≤ 1.8
High Density PCB	Ultra Flat Profile	Ultrathin Carrier Supported	DOUBLETHIN N-TZA	2/12	0.06	≤ 2.2	≤ 1.8
High Density PCB	Ultra Flat Profile	Ultrathin Carrier Supported	DOUBLETHIN N-TZA	2/18	0.06	≤ 2.2	≤ 1.8
High Density PCB	Ultra Flat Profile	Ultrathin Carrier Supported	DOUBLETHIN N-TZA	3/18	0.09	≤ 2.2	≤ 1.8
High Density PCB	Ultra Flat Profile	Ultrathin Carrier Supported	DOUBLETHIN N-TZA	3/35	0.09	≤ 2.2	≤ 1.8
High Density PCB	Ultra Flat Profile	Ultrathin Carrier Supported	DOUBLETHIN N-TZA	5/18	0.14	≤ 2.2	≤ 1.8
High Density PCB	Ultra Flat Profile	Ultrathin Carrier Supported	DOUBLETHIN N-TZA	5/35	0.14	≤ 2.2	≤ 1.8
High Density PCB	Ultra Flat Profile	Mat Side Treated	BF-TZA	9	1/4	≤ 3.1	≤ 2.5
High Density PCB	Ultra Flat Profile	Mat Side Treated	BF-TZA	12	3/8	≤ 3.1	≤ 2.5
High Density PCB	Ultra Flat Profile	Mat Side Treated	BF-TZA	18	1/2	≤ 3.1	≤ 2.5
High Density PCB	Ultra Flat Profile	Mat Side Treated	BF-TZA	35	1	≤ 3.1	≤ 2.5
High Density PCB	Ultra Flat Profile	Mat Side Treated	BF-TZA	70	2	≤ 2.5	≤ 1.6
High Speed Digital & Low Loss	Super Flat Profile	Mat Side Treated	BF-NN/BF-NN-HT	12	3/8	≤ 1.6	≤ 1.2
High Speed Digital & Low Loss	Super Flat Profile	Mat Side Treated	BF-NN/BF-NN-HT	18	1/2	≤ 1.3	≤ 1
High Speed Digital & Low Loss	Super Flat Profile	Mat Side Treated	BF-NN/BF-NN-HT	35	1	≤ 1.2	≤ 0.9
High Speed Digital & Low Loss	Almost No Profile	Mat Side Treated	BF-ANP/BF-ANP-HT	9	1/4	≤ 2	≤ 1.6
High Speed Digital & Low Loss	Almost No Profile	Mat Side Treated	BF-ANP/BF-ANP-HT	12	3/8	≤ 1.6	≤ 1.2
High Speed Digital & Low Loss	Almost No Profile	Mat Side Treated	BF-ANP/BF-ANP-HT	18	1/2	≤ 1.4	≤ 1.1
High Speed Digital & Low Loss	Almost No Profile	Mat Side Treated	BF-ANP/BF-ANP-HT	35	1	≤ 1.3	≤ 1
High Speed Digital & Low Loss	Almost No Profile	Mat Side Treated	BF-ANP/BF-ANP-HT	70	2	≤ 1.3	≤ 1
High Speed Digital & Low Loss	Ultra Flat Profile	Mat Side Treated	BF-TZA	9	1/4	≤ 3.1	≤ 2.5
High Speed Digital & Low Loss	Ultra Flat Profile	Mat Side Treated	BF-TZA	12	3/8	≤ 3.1	≤ 2.5
High Speed Digital & Low Loss	Ultra Flat Profile	Mat Side Treated	BF-TZA	18	1/2	≤ 3.1	≤ 2.5
High Speed Digital & Low Loss	Ultra Flat Profile	Mat Side Treated	BF-TZA	35	1	≤ 3.1	≤ 2.5
High Speed Digital & Low Loss	Ultra Flat Profile	Mat Side Treated	BF-TZA	70	2	≤ 2.5	≤ 1.6
High Speed Digital & Low Loss	Ultra Flat Profile	Mat Side Treated	BF-HFI-LP2	18	1/2	≤ 3.1	≤ 2.5
High Speed Digital & Low Loss	Ultra Flat Profile	Mat Side Treated	BF-HFI-LP2	35	1	≤ 3.1	≤ 2.5
High Speed Digital & Low Loss	Ultra Flat Profile	Mat Side Treated	BF-HFI-LP2	70	2	≤ 2.5	≤ 2.0
High Speed Digital & Low Loss	Very Low Profile	Reverse Treated	TZA-B	12	3/8	≤ 5.1	≤ 4.2
High Speed Digital & Low Loss	Very Low Profile	Reverse Treated	TZA-B	18	1/2	≤ 5.1	≤ 4.2
High Speed Digital & Low Loss	Very Low Profile	Reverse Treated	TZA-B	35	1	≤ 5.1	≤ 4.2
High Speed Digital & Low Loss	Very Low Profile	Reverse Treated	TZA-B	70	2	≤ 5.1	≤ 4.2
High Frequency	Ultra Flat Profile	Mat Side Treated	BF-HFZ/BF-HFA	18	1/2	≤ 3.1	≤ 2.5
High Frequency	Ultra Flat Profile	Mat Side Treated	BF-HFZ/BF-HFA	35	1	≤ 3.1	≤ 2.5
High Frequency	Standard and Low Profile	Mat Side Treated	HFZ-LP/HFA-LP	18	1/2	≤ 6	≤ 5
High Frequency	Standard and Low Profile	Mat Side Treated	HFZ-LP/HFA-LP	35	1	≤ 6	≤ 5
High Frequency	Very Low Profile	Reverse Treated	HFZ-B/HFA-B	18	1/2	≤ 5.1	≤ 4.2
High Frequency	Very Low Profile	Reverse Treated	HFZ-B/HFA-B	35	1	≤ 5.1	≤ 4.2
High Frequency	Very Low Profile	Reverse Treated	HFZ-B/HFA-B	70	2	≤ 5.1	≤ 4.2
High Frequency	Standard and Low Profile	Mat Side Treated	TWLS	12	3/8	≤ 7	≤ 5.8
High Frequency	Standard and Low Profile	Mat Side Treated	TWLS	18	1/2	≤ 8.5	≤ 7.1
High Frequency	Standard and Low Profile	Mat Side Treated	TWLS	35	1	≤ 11	≤ 9.3
High Frequency	Standard and Low Profile	Mat Side Treated	TWLS	70	2	≤ 14	≤ 11.8
High Frequency	Very Low Profile	Reverse Treated	TWLS-B	18	1/2	≤ 5.1	≤ 4.2
High Frequency	Very Low Profile	Reverse Treated	TWLS-B	35	1	≤ 5.1	≤ 4.2
High Frequency	Very Low Profile	Reverse Treated	TWLS-B	70	2	≤ 5.1	≤ 4.2
Li-Ion Batteries	No Treatment	No Treatment	BF-PLSP	6**	0.17	≤ 2.5	≤ 2
Li-Ion Batteries	No Treatment	No Treatment	BF-PLSP	8	0.23	≤ 2.5	≤ 2
Li-Ion Batteries	No Treatment	No Treatment	BF-PLSP	10	0.29	≤ 2.5	≤ 2
Li-Ion Batteries	No Treatment	No Treatment	SR-PLSP	6**	0.17	≤ 2.5	≤ 2.0
Li-Ion Batteries	No Treatment	No Treatment	SR-PLSP	8	0.23	≤ 2.5	≤ 2.0
Li-Ion Batteries	No Treatment	No Treatment	SR-PLSP	10	0.29	≤ 2.5	≤ 2.0
Li-Ion Batteries	No Treatment	No Treatment	SR-PLSP	12	3/8	≤ 2.5	≤ 2.0
Li-Ion Batteries	No Treatment	No Treatment	HTS-PLSP	6**	0.17	≤ 2.5	≤ 2.0
Li-Ion Batteries	No Treatment	No Treatment	HTS-PLSP	8	0.23	≤ 2.5	≤ 2.0
Li-Ion Batteries	No Treatment	No Treatment	HTS-PLSP	10	0.29	≤ 2.5	≤ 2.0
Li-Ion Batteries	No Treatment	No Treatment	HTS-PLSP	12	3/8	≤ 2.5	≤ 2.0
Flexible	Ultra Flat Profile	Mat Side Treated	BF-TZA-FX	9	1/4	≤ 3.1	≤ 2.5
Flexible	Ultra Flat Profile	Mat Side Treated	BF-TZA-FX	12	3/8	≤ 3.1	≤ 2.5
Flexible	Ultra Flat Profile	Mat Side Treated	BF-TZA-FX	18	1/2	≤ 3.1	≤ 2.5
Flexible	Ultra Flat Profile	Mat Side Treated	BF-TZA-FX	35	1	≤ 3.1	≤ 2.5
Flexible	Ultra Flat Profile	Reverse Treated	SR-TZA-B-FX	9	1/4	≤ 3	≤ 2.5
Flexible	Ultra Flat Profile	Reverse Treated	SR-TZA-B-FX	12	3/8	≤ 3	≤ 2.5
Flexible	Ultra Flat Profile	Reverse Treated	SR-TZA-B-FX	18	1/2	≤ 3	≤ 2.5
Flexible	Very Low Profile	Reverse Treated	TZA-B-FX	12	3/8	≤ 5.1	≤ 4.2
Flexible	Very Low Profile	Reverse Treated	TZA-B-FX	18	1/2	≤ 5.1	≤ 4.2
Flexible	Very Low Profile	Reverse Treated	TZA-B-FX	35	1	≤ 5.1	≤ 4.2
Flexible	Standard and Low Profile	Mat Side Treated	TZA-FX	12	3/8	≤ 7	≤ 5.8
Flexible	Standard and Low Profile	Mat Side Treated	TZA-FX	18	1/2	≤ 8	≤ 7
Flexible	Standard and Low Profile	Mat Side Treated	TZA-FX	35	1	≤ 10	≤ 8.4
Flexible	Standard and Low Profile	Mat Side Treated	TZA-FX	70	2	≤ 13	≤ 11
Smart Cards	Standard and Low Profile	Mat Side Treated	LPT-YE	18	1/2	≤ 6	≤ 5
Smart Cards	Standard and Low Profile	Mat Side Treated	LPT-YE	32	1	≤ 6	≤ 5
Smart Cards	Standard and Low Profile	Mat Side Treated	LPT-YE	35	1	≤ 6	≤ 5
Smart Cards	Standard and Low Profile	Mat Side Treated	LPT-YE	70	2	≤ 7	≤ 5.8
Aeronautical Engineering	Standard and Low Profile / Very Low Profile	Double-Sided Treated	TZA-TZA	18	1/2	≤ 8 / ≤ 5.1	≤ 7 / ≤ 4.2
Aeronautical Engineering	Standard and Low Profile / Very Low Profile	Double-Sided Treated	TZA-TZA	35	1	≤ 10 / ≤ 5.1	≤ 8.4 / ≤ 4.2
Aeronautical Engineering	Standard and Low Profile / Very Low Profile	Double-Sided Treated	TZA-TZA	70	2	≤ 13 / ≤ 5.1	≤ 11 / ≤ 4.2
Regular MLB	Standard and Low Profile	Mat Side Treated	TZA	12	3/8	≤ 7	≤ 5.8
Regular MLB	Standard and Low Profile	Mat Side Treated	TZA	18	1/2	≤ 8	≤ 7
Regular MLB	Standard and Low Profile	Mat Side Treated	TZA	35	1	≤ 10	≤ 8.4
Regular MLB	Standard and Low Profile	Mat Side Treated	TZA	70	2	≤ 13	≤ 11
Regular MLB	Standard and Low Profile	Mat Side Treated	TZA	105	3	≤ 16	≤ 13.5
Regular MLB	Standard and Low Profile	Mat Side Treated	TZA	140	4	≤ 18	≤ 15.2
Regular MLB	Standard and Low Profile	Mat Side Treated	TZA	175	5	≤ 18	≤ 15.2
Regular MLB	Standard and Low Profile	Mat Side Treated	TZA	210	6	≤ 19	≤ 16.1
Regular MLB	Very Low Profile	Reverse Treated	TZA-B	12	3/8	≤ 5.1	≤ 4.2
Regular MLB	Very Low Profile	Reverse Treated	TZA-B	18	1/2	≤ 5.1	≤ 4.2
Regular MLB	Very Low Profile	Reverse Treated	TZA-B	35	1	≤ 5.1	≤ 4.2
Regular MLB	Very Low Profile	Reverse Treated	TZA-B	70	2	≤ 5.1	≤ 4.2
IC Substrates / SLP	Ultra Flat Profile	Ultrathin Carrier Supported	Doublethin NN	1.5/12	0.04	≤ 1.2	≤ 0.90
IC Substrates / SLP	Ultra Flat Profile	Ultrathin Carrier Supported	Doublethin NN	1.5/18	0.04	≤ 1.2	≤ 0.90
IC Substrates / SLP	Ultra Flat Profile	Ultrathin Carrier Supported	Doublethin NN	2/12	0.06	≤ 1.2	≤ 0.90
IC Substrates / SLP	Ultra Flat Profile	Ultrathin Carrier Supported	Doublethin NN	2/18	0.06	≤ 1.2	≤ 0.90
IC Substrates / SLP	Ultra Flat Profile	Ultrathin Carrier Supported	Doublethin NN	3/18	0.09	≤ 1.2	≤ 0.90
IC Substrates / SLP	Ultra Flat Profile	Ultrathin Carrier Supported	Doublethin NN	3/35	0.09	≤ 1.2	≤ 0.90
IC Substrates / SLP	Ultra Flat Profile	Ultrathin Carrier Supported	Doublethin NN	5/18	0.14	≤ 1.2	≤ 0.90
IC Substrates / SLP	Ultra Flat Profile	Ultrathin Carrier Supported	Doublethin NN	5/35	0.14	≤ 1.2	≤ 0.90

**Pre-series

All of these technical pieces of information have been determined with due care and technologies. However, because the conditions of use and process and application technologies employed can substantially vary, the provided data and figures can only serve as non-binding guidelines. They do not constitute a guarantee that the purchased item will possess certain attributes. For this reason, no liability whatsoever can be assumed for them. The buyer is obliged to check the suitability of all supplied products.